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<?php ini_set('display_errors', true); ini_set('error_reporting', -1); $a = [["5","131"],["1","515"],["2","333"],["3","28"],["4","13"]]; var_dump($a, array_walk_recursive($a, 'intval'));
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
array(5) { [0]=> array(2) { [0]=> string(1) "5" [1]=> string(3) "131" } [1]=> array(2) { [0]=> string(1) "1" [1]=> string(3) "515" } [2]=> array(2) { [0]=> string(1) "2" [1]=> string(3) "333" } [3]=> array(2) { [0]=> string(1) "3" [1]=> string(2) "28" } [4]=> array(2) { [0]=> string(1) "4" [1]=> string(2) "13" } } bool(true)
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/tFnr8 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/tFnr8 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/tFnr8 on line 3
Process exited with code 255.

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