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<?php $credentials = array(); var_dump( $credentials['user_login'] ); var_dump( array( &$credentials['user_login'] ) ); var_dump( $credentials['user_login'] );
Output for 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
Warning: Undefined array key "user_login" in /in/8JMRM on line 4 NULL array(1) { [0]=> &NULL } NULL
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 7.4.0 - 7.4.33
Notice: Undefined index: user_login in /in/8JMRM on line 4 NULL array(1) { [0]=> &NULL } NULL
preferences:
189.08 ms | 408 KiB | 5 Q