Online PHP editor | output for jQ7K4

@ 2022-01-23T06:56:55Z

<?php

$array = [
    'needle' => 'needle in haystack text',
    'Need' => 'another needle',
    'fine' => 'refined',
    'found' => 'Foundation',
    '' => 'non-empty haystack',
    'missing' => 'not here',
    'This is 0 in a haystack!',
];

var_export(
    array_filter(
        $array,
        function($haystack, $needle) {
            return strpos($haystack, $needle) !== false;
        },
        ARRAY_FILTER_USE_BOTH
    )
);

Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7: array ( 'needle' => 'needle in haystack text', 'fine' => 'refined', '' => 'non-empty haystack', 0 => 'This is 0 in a haystack!', )
Output for 7.4.0 - 7.4.33: Warning: strpos(): Empty needle in /in/jQ7K4 on line 17 Deprecated: strpos(): Non-string needles will be interpreted as strings in the future. Use an explicit chr() call to preserve the current behavior in /in/jQ7K4 on line 17 array ( 'needle' => 'needle in haystack text', 'fine' => 'refined', )

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