3v4l.org

run code in 300+ PHP versions simultaneously
<?php $myFirstVar; $mySecondVar = 'hi'; if(isset($mySecondVar)){ echo 'The var is set!'; }else { echo 'The var is not set!'; }

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)
8.3.60.0150.00018.06
8.3.50.0080.00618.04
8.3.40.0110.00718.71
8.3.30.0070.00718.42
8.3.20.0040.00418.90
8.3.10.0040.00420.81
8.3.00.0040.00423.65
8.2.180.0180.00018.41
8.2.170.0110.00622.96
8.2.160.0080.00619.08
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0050.00221.05
8.2.120.0050.00226.35
8.2.110.0100.00320.89
8.2.100.0080.00317.72
8.2.90.0090.00019.28
8.2.80.0030.00817.97
8.2.70.0060.00318.04
8.2.60.0000.00818.04
8.2.50.0080.00018.10
8.2.40.0040.00419.27
8.2.30.0070.00019.28
8.2.20.0000.00717.86
8.2.10.0050.00217.96
8.2.00.0040.00419.09
8.1.280.0040.01425.92
8.1.270.0040.00422.02
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00320.85
8.1.230.0040.00817.64
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.22
8.1.190.0050.00317.10
8.1.180.0030.00718.10
8.1.170.0040.00418.53
8.1.160.0040.00418.68
8.1.150.0000.00718.72
8.1.140.0000.00717.66
8.1.130.0030.00318.87
8.1.120.0040.00417.23
8.1.110.0000.00717.38
8.1.100.0070.00017.43
8.1.90.0040.00417.38
8.1.80.0040.00417.30
8.1.70.0030.00317.38
8.1.60.0080.00017.49
8.1.50.0040.00417.37
8.1.40.0040.00417.42
8.1.30.0040.00417.54
8.1.20.0030.00617.58
8.1.10.0000.00817.46
8.1.00.0050.00317.45
8.0.300.0080.00018.77
8.0.290.0050.00316.75
8.0.280.0030.00318.40
8.0.270.0080.00017.24
8.0.260.0000.00817.29
8.0.250.0000.00716.93
8.0.240.0030.00316.91
8.0.230.0080.00016.85
8.0.220.0070.00016.71
8.0.210.0030.00316.78
8.0.200.0030.00316.83
8.0.190.0040.00416.89
8.0.180.0040.00416.84
8.0.170.0000.00916.81
8.0.160.0000.00816.75
8.0.150.0000.00716.77
8.0.140.0080.00016.77
8.0.130.0030.00313.20
8.0.120.0070.00016.73
8.0.110.0040.00416.78
8.0.100.0030.00316.88
8.0.90.0000.00816.64
8.0.80.0050.01116.83
8.0.70.0040.00416.71
8.0.60.0000.00716.85
8.0.50.0080.00016.78
8.0.30.0120.00517.02
8.0.20.0140.01117.40
8.0.10.0000.00716.72
8.0.00.0140.00716.80
7.4.330.0050.00015.55
7.4.320.0070.00016.53
7.4.300.0000.00616.51
7.4.290.0000.00616.52
7.4.280.0050.00316.52
7.4.270.0030.00316.29
7.4.260.0000.00716.53
7.4.250.0000.00716.46
7.4.240.0030.00316.33
7.4.230.0070.00016.50
7.4.220.0050.00216.46
7.4.210.0060.01116.46
7.4.200.0000.00716.26
7.4.160.0080.00816.46
7.4.140.0120.00817.86
7.4.130.0070.01016.32
7.4.120.0120.00916.52
7.4.110.0100.00716.45
7.4.100.0060.01216.45
7.4.90.0150.00316.20
7.4.80.0140.00919.39
7.4.70.0120.00616.25
7.4.60.0030.01216.31
7.4.50.0050.00516.27
7.4.40.0060.01216.26
7.4.00.0030.00914.69
7.3.330.0030.00312.96
7.3.320.0050.00012.93
7.3.310.0000.00716.14
7.3.300.0000.00716.16
7.3.290.0000.00816.15
7.3.280.0100.00716.14
7.3.260.0110.00616.29
7.3.240.0110.00716.36
7.3.230.0130.00316.38
7.3.210.0120.00616.20
7.3.200.0100.00716.25
7.3.190.0160.00616.35
7.3.180.0060.01216.36
7.3.170.0060.01116.38
7.3.160.0090.00716.36
7.3.10.0070.00716.68
7.3.00.0100.00716.26
7.2.330.0100.01416.22
7.2.320.0080.00916.51
7.2.310.0100.01416.54
7.2.300.0040.01216.38
7.2.290.0100.01016.37
7.2.130.0100.00716.75
7.2.120.0000.01616.72
7.2.110.0150.00016.46
7.2.100.0060.00316.64
7.2.90.0060.01216.69
7.2.80.0040.01116.74
7.2.70.0150.00815.91
7.2.60.0090.01015.81
7.2.50.0130.00815.92
7.2.40.0120.00715.87
7.2.30.0110.00915.86
7.2.20.0100.01015.87
7.2.10.0200.00815.76
7.2.00.0120.00715.84
7.1.250.0030.00515.66
7.1.200.0000.01215.59
7.1.170.0120.01213.90
7.1.160.0720.00713.82
7.1.150.0200.00313.55
7.1.140.0130.01013.50
7.1.130.0200.00313.89
7.1.120.0190.00313.89
7.1.110.0180.00713.56
7.1.100.0160.00813.58
7.1.90.0230.00613.88
7.1.80.0200.00613.77
7.1.70.0260.00013.62
7.1.60.0360.01031.53
7.1.50.0380.01031.62
7.1.40.0350.01331.49
7.1.30.0290.01931.84
7.1.20.0350.01031.94
7.1.10.0160.01013.59
7.1.00.0220.00413.76

preferences:
60.78 ms | 400 KiB | 5 Q