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run code in 300+ PHP versions simultaneously
<?php $a = [ 'a' => 'some value', 'b' => 'some value', 'c' => 'some value' ]; $b = [ 'a' => 'another value', 'd' => 'another value', 'e' => 'another value', 'f' => 'another value' ]; $c = [ 'b' => 'some more value', 'x' => 'some more value', 'y' => 'some more value', 'z' => 'some more value' ]; $defaults = array_fill_keys(array_keys($a + $b + $c), ''); var_export( array_map(fn($row) => array_merge($defaults, $row), [$a, $b, $c]) );
Output for 7.4.0 - 7.4.33, 8.0.1 - 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 ( 0 => array ( 'a' => 'some value', 'b' => 'some value', 'c' => 'some value', 'd' => '', 'e' => '', 'f' => '', 'x' => '', 'y' => '', 'z' => '', ), 1 => array ( 'a' => 'another value', 'b' => '', 'c' => '', 'd' => 'another value', 'e' => 'another value', 'f' => 'another value', 'x' => '', 'y' => '', 'z' => '', ), 2 => array ( 'a' => '', 'b' => 'some more value', 'c' => '', 'd' => '', 'e' => '', 'f' => '', 'x' => 'some more value', 'y' => 'some more value', 'z' => 'some more value', ), )
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.
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152.54 ms | 408 KiB | 5 Q