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PHP Functions Tutorials

81 tutorials found.

📘 Access Any Global GLOBALS Array | $GLOBALS Usage | PHP
📘 ampersand param Pass by Reference | Syntax | PHP
📘 colon type Return Type Declaration | Syntax | PHP
📘 declare strict_types 1 Strict Types | Declaration | PHP
📘 fn param expression Arrow Functions | PHP 7.4 Syntax | PHP
📘 funcName variable Variable Functions | Syntax | PHP
📘 Function as Parameter Callback Functions | Definition | PHP
📘 Function Calls Itself Recursion | Definition | PHP
📘 function functionName User Defined | Syntax | PHP
📘 function name param1 param2 Parameters | Syntax | PHP
📘 function without name Anonymous Functions | Syntax | PHP
📘 Inside Function Only Function Scope | Local Variables | PHP
📘 int string array Type Declarations | Parameter Types | PHP
📘 param default value Default Parameters | Syntax | PHP
📘 paramName colon value Named Arguments | PHP 8 Syntax | PHP
📘 Represent Anonymous Function Closure | Closure Class | PHP
📘 Returns null Void Function | No Return | PHP
📘 Send Value Back Return Values | return Statement | PHP
📘 Start Letter Underscore Naming Rules | Valid Names | PHP
📘 static counter Static Variables | static Keyword | PHP
📘 three dots param Variadic Parameters | Syntax | PHP
📘 Variable Length Arguments Variadic Functions | Three Dots Syntax | PHP
📘 array_fill start_index 0 Named Arguments | Example | PHP
📘 assign to variable Anonymous Functions | Example | PHP
📘 Call Callback Function Callback Functions | call_user_func | PHP
📘 Clone Closure with New This Closure | bind Method | PHP
📘 factorial Function Recursion | Example | PHP
📘 First Statement in File Strict Types | Location | PHP
📘 fn a b a plus b Arrow Functions | Example | PHP
📘 function add int num Type Declarations | Example | PHP
📘 function addFive ampersand num Pass by Reference | Example | PHP
📘 function greet name Guest Default Parameters | Example | PHP
📘 function sum three dots numbers Variadic Parameters | Example | PHP
📘 global Keyword Function Scope | Global Access | PHP
📘 GLOBALS count increment GLOBALS Array | Example | PHP
📘 greet Function User Defined | Example | PHP
📘 Numbers Special Chars Naming Rules | Invalid Names | PHP
📘 Pass Values to Function Parameters | Usage | PHP
📘 Persists Between Calls Static Variables | Behavior | PHP
📘 return result Return Values | Example | PHP
📘 strlen via variable Variable Functions | Example | PHP
📘 Variadic with Type Hints Variadic Functions | Type Declaration | PHP
📘 Bind Closure to Object Closure | bindTo Method | PHP
📘 Call with Array Parameters Callback Functions | call_user_func_array | PHP
📘 Code After return Ignored Return Values | Function Stops | PHP
📘 countVisits Function Static Variables | Example | PHP
📘 Defaults on Right Default Parameters | Right Side Only | PHP
📘 global varName Function Scope | global Keyword Usage | PHP
📘 greet GREET Same Naming Rules | Case Insensitive | PHP
📘 No return Keyword Arrow Functions | Implicit Return | PHP
📘 Numbers as Array Variadic Parameters | Usage | PHP
📘 Original Variable Modified Pass by Reference | Effect | PHP
📘 Parameters Reorderable Named Arguments | Any Order | PHP
📘 Stack Overflow Risk Recursion | Limit | PHP
📘 Sum Function Variadic Functions | Example | PHP
📘 Type Mismatch TypeError Strict Types | Effect | PHP
📘 use keyword for scope Anonymous Functions | Closure | PHP
📘 Call Closure Bound to Object Closure | call Method | PHP
📘 Check if Callable Callback Functions | is_callable | PHP
📘 func_num_args Method Variadic Functions | Before PHP 5.6 | PHP
📘 global count increment Function Scope | Example | PHP
📘 Parameter Name Pass Named Arguments | PHP 8.0 | PHP
📘 Short Closure Syntax Arrow Functions | PHP 7.4 | PHP
📘 Anonymous Function as Callback Callback Functions | Closure Example | PHP
📘 Convert Callable to Closure Closure | fromCallable Method | PHP
📘 Count Arguments Variadic Functions | func_num_args | PHP
📘 fn x y x plus y Arrow Functions | Example | PHP
📘 htmlspecialchars with Named Named Arguments | Example | PHP
📘 Apply Callback to Array Callback Functions | Array Map Example | PHP
📘 Automatic Variable Binding Arrow Functions | Parent Scope | PHP
📘 Event Handlers Closure | Use Case | PHP
📘 Get Single Argument Variadic Functions | func_get_arg | PHP
📘 Skip Optional Parameters Named Arguments | Skipping Defaults | PHP
📘 Currying Functions Closure | Use Case | PHP
📘 Filter with Callback Callback Functions | Array Filter Example | PHP
📘 Get All Arguments Variadic Functions | func_get_args | PHP
📘 Parameters Any Order Named Arguments | Order Independence | PHP
📘 Single Expression Only Arrow Functions | No Multi Statement | PHP
📘 Implicit Return Arrow Functions | No Return Keyword | PHP
📘 Named After Positional Named Arguments | Combine Positional | PHP
📘 Sort with Callback Callback Functions | usort Example | PHP

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