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<?php $test= 2; if(NULL == $test){ echo "it's null"; } if(NULL == $testUndef){ echo "it's null two"; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $testUndef in /in/lJtYf on line 8 it's null two
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined variable: testUndef in /in/lJtYf on line 8 it's null two
Output for 7.3.32 - 7.3.33, 7.4.26
it's null two
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: testUndef in /in/lJtYf on line 8 it's null two
preferences:
246.55 ms | 402 KiB | 390 Q