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<?php $arr = ['a' =>1,'b' => 2]; $arr2 = [['a' => 11,'b' => 22],['a' => 111,'b' => 222]]; echo count($arr); if(isset($arr[0]) && is_array($$arr[0])) echo 'arr is 2'; if(isset($arr2[0]) && is_array($$arr2[0])) echo 'arr2 is 2';
Output for 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0 - 8.5.1
2 Warning: Array to string conversion in /in/0MmPM on line 8 Warning: Undefined variable $Array in /in/0MmPM on line 8 Warning: Trying to access array offset on null in /in/0MmPM on line 8
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 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29
2 Warning: Array to string conversion in /in/0MmPM on line 8 Warning: Undefined variable $Array in /in/0MmPM on line 8 Warning: Trying to access array offset on value of type null in /in/0MmPM on line 8
Output for 7.4.0 - 7.4.33
2 Notice: Array to string conversion in /in/0MmPM on line 8 Notice: Undefined variable: Array in /in/0MmPM on line 8 Notice: Trying to access array offset on value of type null in /in/0MmPM on line 8
Output for 7.3.32 - 7.3.33
2
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31
2 Notice: Array to string conversion in /in/0MmPM on line 8 Notice: Undefined variable: Array in /in/0MmPM on line 8
preferences:
198.57 ms | 414 KiB | 5 Q