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<?php $array = [ 0 => 'Apple', 2 => 'Orange', 5 => 'Pear', 8 => 'Pear' ]; var_export( array_fill(0, array_key_last($array), null) + $array ); echo "\n---\n"; var_export( $array + array_fill(0, array_key_last($array), null) ); echo "\n---\n"; var_export( array_merge( array_fill(0, array_key_last($array), null), $array ) );
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 - 8.3.27, 8.4.1 - 8.4.14, 8.5.0
array ( 0 => NULL, 1 => NULL, 2 => NULL, 3 => NULL, 4 => NULL, 5 => NULL, 6 => NULL, 7 => NULL, 8 => 'Pear', ) --- array ( 0 => 'Apple', 2 => 'Orange', 5 => 'Pear', 8 => 'Pear', 1 => NULL, 3 => NULL, 4 => NULL, 6 => NULL, 7 => NULL, ) --- array ( 0 => NULL, 1 => NULL, 2 => NULL, 3 => NULL, 4 => NULL, 5 => NULL, 6 => NULL, 7 => NULL, 8 => 'Apple', 9 => 'Orange', 10 => 'Pear', 11 => 'Pear', )
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 8.3.28
/bin/php-8.3.28: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.3.28)
Process exited with code 1.
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