3v4l.org

run code in 300+ PHP versions simultaneously
<?php $trueVar = true; $falseVar = false; $nullVar = null; $emptyVar = ""; $result1 = (!isset($trueVar) || $trueVar) ? 1 : 0; $result2 = (!isset($falseVar) || $falseVar) ? 1 : 0; $result3 = (!isset($nullVar) || $nullVar) ? 1 : 0; $result4 = (!isset($emptyVar) || $emptyVar) ? 1 : 0; var_dump($result1); var_dump($result2); var_dump($result3); var_dump($result4);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0070.00718.20
8.3.50.0130.00316.51
8.3.40.0090.00618.71
8.3.30.0060.00918.76
8.3.20.0040.00421.90
8.3.10.0040.00423.61
8.3.00.0040.00420.84
8.2.180.0110.00416.38
8.2.170.0180.00422.96
8.2.160.0070.00720.14
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0050.00319.33
8.2.120.0050.00326.35
8.2.110.0090.00022.15
8.2.100.0090.00317.76
8.2.90.0000.00817.97
8.2.80.0050.00318.03
8.2.70.0040.00417.92
8.2.60.0060.00318.09
8.2.50.0080.00018.10
8.2.40.0000.00819.35
8.2.30.0080.00019.11
8.2.20.0020.00518.10
8.2.10.0040.00419.36
8.2.00.0070.00019.30
8.1.280.0070.00725.92
8.1.270.0000.01518.86
8.1.260.0040.00426.35
8.1.250.0030.00628.09
8.1.240.0100.00018.87
8.1.230.0080.00320.88
8.1.220.0030.00617.78
8.1.210.0050.00318.88
8.1.200.0000.00917.23
8.1.190.0000.00817.10
8.1.180.0040.00418.10
8.1.170.0000.00918.56
8.1.160.0020.00518.98
8.1.150.0040.00418.79
8.1.140.0000.00720.63
8.1.130.0070.00017.45
8.1.120.0100.00017.45
8.1.110.0040.00417.34
8.1.100.0080.00017.33
8.1.90.0080.00017.50
8.1.80.0030.00617.45
8.1.70.0040.00417.43
8.1.60.0040.00417.55
8.1.50.0000.00817.54
8.1.40.0060.00317.55
8.1.30.0050.00317.65
8.1.20.0000.00817.63
8.1.10.0040.00417.45
8.1.00.0000.00717.30
8.0.300.0060.00319.73
8.0.290.0040.00416.63
8.0.280.0000.00718.48
8.0.270.0000.00717.27
8.0.260.0030.00316.82
8.0.250.0090.00016.94
8.0.240.0040.00416.98
8.0.230.0050.00316.95
8.0.220.0000.00716.80
8.0.210.0000.00716.79
8.0.200.0050.00316.83
8.0.190.0020.00516.99
8.0.180.0040.00416.87
8.0.170.0000.00916.87
8.0.160.0050.00316.89
8.0.150.0070.00316.80
8.0.140.0000.00816.70
8.0.130.0000.00713.29
8.0.120.0040.00416.80
8.0.110.0050.00216.91
8.0.100.0040.00416.77
8.0.90.0000.00716.93
8.0.80.0080.00816.85
8.0.70.0070.00016.95
8.0.60.0040.00416.98
8.0.50.0030.00516.93
8.0.30.0160.00616.88
8.0.20.0060.01317.40
8.0.10.0000.00817.07
8.0.00.0050.01316.59
7.4.330.0020.00215.55
7.4.320.0000.00716.54
7.4.300.0000.00716.47
7.4.290.0030.00316.58
7.4.280.0040.00416.50
7.4.270.0030.00316.62
7.4.260.0000.00716.46
7.4.250.0000.00716.54
7.4.240.0040.00416.64
7.4.230.0000.00716.58
7.4.220.0060.00316.41
7.4.210.0050.01116.52
7.4.200.0000.00716.44
7.4.160.0100.00816.56
7.4.140.0110.00817.86
7.4.130.0100.00716.47
7.4.120.0040.01716.48
7.4.110.0100.00716.48
7.4.100.0090.01516.54
7.4.90.0030.01416.50
7.4.80.0190.00019.39
7.4.70.0130.00616.34
7.4.60.0090.00616.44
7.4.50.0040.00716.30
7.4.40.0080.00816.42
7.4.00.0080.00414.95
7.3.330.0030.00312.94
7.3.320.0030.00313.13
7.3.310.0050.00316.34
7.3.300.0040.00416.03
7.3.290.0030.00316.21
7.3.280.0070.00716.20
7.3.260.0110.01016.25
7.3.240.0110.00716.32
7.3.230.0100.00716.37
7.3.210.0110.01116.43
7.3.200.0140.00716.54
7.3.190.0110.01116.26
7.3.180.0070.01016.21
7.3.170.0070.01316.19
7.3.160.0120.00615.89
7.3.10.0030.00916.61
7.3.00.0940.00515.50
7.2.330.0030.01416.45
7.2.320.0090.01416.29
7.2.310.0070.01016.58
7.2.300.0070.01016.39
7.2.290.0270.00816.55
7.2.130.0600.00815.73
7.2.120.0790.00515.70
7.2.110.0600.00615.67
7.2.100.0550.00715.79
7.2.90.0090.00615.63
7.2.80.0570.00815.94
7.2.70.0750.00315.75
7.2.60.0510.00315.92
7.2.50.0290.00215.84
7.2.40.0990.00315.72
7.2.30.0270.00815.78
7.2.20.0120.00915.94
7.2.10.0160.00315.77
7.2.00.0890.00415.89
7.1.250.0950.00914.87

preferences:
59.83 ms | 400 KiB | 5 Q