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php array_search() function
Detailed instructions for use
php array_search() function
Chinese translation
Recent Updates: 2018-04-18 14:46:54
English [sɜ:tʃ] US [sɜ:rtʃ]
##v. Search; search, search; investigate; exploren. Search; investigate; exploreThird person singular: search Present participle: searching Past tense: search Past participle: search
php array_search() function Video explanation
php array_search() function syntax
Function: Search for a key value in the array and return the corresponding key name.
Syntax: array_search(value,array,strict)
Parameters:
| Parameter | Description |
| value | Required. Specifies the key value to be searched. |
| array | Required. Specifies the array to be searched. |
| strict | Optional. If this parameter is set to TRUE, the function searches the array for elements of the same data type and value. Possible values: true, false - default, if set to true, the type of the given value is checked in the array, the number 5 and the string 5 are different |
Description: Search for a key value in the array. If the value is found, the key name of the matching element will be returned. If not found, returns false.
php array_search() function example
<?php
$a=array("a"=>"西门","b"=>"php中文网","c"=>"php.cn");
echo array_search("西门",$a);
?>Run instance»
Click the "Run instance" button to view the online instance
Output:
a
<?php
$a=array("1"=>"灭绝","2"=>"欧阳克","3"=>"php.cn");
echo array_search("欧阳克",$a);
?>Run instance»
Click the "Run instance" button to view the online instance
Output:
2
php array_search() function
