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<?php $officials = [' off1' , 'off2' , '' , 'off3 ' , null]; // space ^ empty string^ space^ ^null $result = []; array_walk( $officials, function($v) use (&$result) { $v = trim((string) $v); if (strlen($v)) { $result[] = $v; } } ); var_export($result);
Output for git.master
/bin/php-git-master: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-git-master) /bin/php-git-master: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-git-master)
Process exited with code 1.
Output for git.master_jit, rfc.property-hooks
array ( 0 => 'off1', 1 => 'off2', 2 => 'off3', )

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