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Elegant way to search an PHP array using a user-defined function. Asked 11 years, 9 months ago. Modified 4 months ago. Viewed 74k times. Part of PHP Collective. 75. Basically, I want to be able to get the functionality of C++'s find_if(), Smalltalk's detect: etc.: // would return the element or null.
array_search - Searches the array for a given value and returns the first corresponding key if successful
Syntax. array_search (value, array, strict) Parameter Values. Technical Details. More Examples. Example. Search an array for the value 5 and return its key (notice the ""): <?php. $a=array("a"=>"5","b"=>5,"c"=>"5"); echo array_search (5,$a,true); ?> Try it Yourself » PHP Array Reference. W3schools Pathfinder.
Take the following two arrays you wish to search: <?php $fruit_array = array("apple", "pear", "orange"); $fruit_array = array("a" => "apple", "b" => "pear", "c" => "orange"); if ($i = array_search ("apple", $fruit_array)) //PROBLEM: the first array returns a key of 0 and IF treats it as FALSE if (is_numeric ($i = array_search ("apple", $fruit ...
8 wrz 2023 · The array_search() function searches an array for a given value and returns the first matching key for that value. Syntax array_search(value, array, strict) value: The value to search for. array: The array to search in. strict: Optional argument that defaults to false if not given.
Learn how to effectively use PHP's array_search() function to search for values in arrays. This practical guide includes code samples and examples for various scenarios.
7 lis 2023 · The array_search() function in PHP is a powerful tool in a developer's toolkit. It provides a quick and efficient way to search an array for a specific value and return its key. Understanding how to use array_search(), along with its strengths and limitations, can assist you in writing cleaner, more efficient PHP code.
