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<?php $s = [ 25, 12, 23, 1006, 13, 114, 11, 34, 18, 13, 112 ]; sort($s); $func = function($a, $b){ $first_digitA = substr($a, 0, 1); $first_digitB = substr($b, 0, 1); if($first_digitA < $first_digitB){ return -1; } else if( $first_digitA > $first_digitB ){ return 1; } else { return 0; } }; usort($s, $func); print_r($s);
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 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 - 8.5.1
Array ( [0] => 11 [1] => 12 [2] => 13 [3] => 13 [4] => 18 [5] => 112 [6] => 114 [7] => 1006 [8] => 23 [9] => 25 [10] => 34 )
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 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Array ( [0] => 11 [1] => 1006 [2] => 114 [3] => 18 [4] => 13 [5] => 12 [6] => 13 [7] => 112 [8] => 23 [9] => 25 [10] => 34 )
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/Eq2qq 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/Eq2qq on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Eq2qq on line 3
Process exited with code 255.
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205.92 ms | 413 KiB | 5 Q