3v4l.org

run code in 300+ PHP versions simultaneously
<?php $v = 0; var_dump(isset($v));

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)
8.3.60.0040.01118.03
8.3.50.0070.00719.79
8.3.40.0250.00519.01
8.3.30.0160.00718.69
8.3.20.0090.00422.96
8.3.10.0060.00723.22
8.3.00.0090.00722.34
8.2.180.0070.00725.92
8.2.170.0190.00818.88
8.2.160.0170.00721.44
8.2.150.0130.00222.24
8.2.140.0100.00222.57
8.2.130.0070.00623.25
8.2.120.0080.00522.73
8.2.110.0110.00420.05
8.2.100.0090.00718.46
8.2.90.0130.00719.62
8.2.80.0100.00619.86
8.2.70.0140.00317.84
8.2.60.0120.00918.41
8.2.50.0070.00718.61
8.2.40.0090.01018.97
8.2.30.0150.00218.09
8.2.20.0080.00720.43
8.2.10.0150.00218.03
8.2.00.0100.00718.82
8.1.280.0100.01025.92
8.1.270.0060.00723.03
8.1.260.0090.00524.24
8.1.250.0080.00325.05
8.1.240.0150.00520.27
8.1.230.0140.00619.64
8.1.220.0090.00718.26
8.1.210.0120.00518.53
8.1.200.0100.00717.91
8.1.190.0090.00717.83
8.1.180.0150.00518.19
8.1.170.0070.00918.55
8.1.160.0120.00619.55
8.1.150.0080.00818.53
8.1.140.0090.00817.79
8.1.130.0120.00518.27
8.1.120.0120.00518.34
8.1.110.0100.00718.38
8.1.100.0110.00518.15
8.1.90.0120.00517.64
8.1.80.0100.00718.09
8.1.70.0110.00617.82
8.1.60.0120.00717.92
8.1.50.0160.00417.76
8.1.40.0130.00617.83
8.1.30.0110.00617.92
8.1.20.0110.00818.27
8.1.10.0100.00717.80
8.1.00.0090.00717.68
8.0.300.0050.01018.93
8.0.290.0120.00517.13
8.0.280.0140.00318.11
8.0.270.0070.00717.15
8.0.260.0080.00517.03
8.0.250.0110.00417.25
8.0.240.0110.00417.21
8.0.230.0060.00717.80
8.0.220.0110.00317.10
8.0.210.0050.00917.66
8.0.200.0080.00717.14
8.0.190.0100.00517.68
8.0.180.0050.00717.17
8.0.170.0110.00417.75
8.0.160.0100.00417.18
8.0.150.0120.00317.17
8.0.140.0140.00317.61
8.0.130.0090.00817.10
8.0.120.0170.00317.11
8.0.110.0110.00817.11
8.0.100.0140.00517.16
8.0.90.0120.00817.15
8.0.80.0180.00317.04
8.0.70.0100.00617.24
8.0.60.0140.00617.14
8.0.50.0090.01017.06
8.0.30.0130.00317.68
8.0.20.0080.00917.70
8.0.10.0110.00817.15
8.0.00.0080.00617.77
7.4.330.0090.00417.99
7.4.320.0120.00517.37
7.4.300.0130.00516.97
7.4.290.0160.00316.94
7.4.280.0140.00416.85
7.4.270.0140.00416.86
7.4.260.0120.00616.84
7.4.250.0210.00616.86
7.4.240.0230.00316.96
7.4.230.0190.00716.98
7.4.220.0190.00516.85
7.4.210.0200.00316.87
7.4.200.0210.00116.97
7.4.190.0190.00317.01
7.4.180.0140.00717.13
7.4.160.0190.00316.91
7.4.150.0170.00616.83
7.4.140.0130.01016.85
7.4.130.0200.00216.77
7.4.120.0200.00416.75
7.4.110.0210.00216.84
7.4.100.0180.00416.91
7.4.90.0190.00416.82
7.4.80.0200.00416.68
7.4.70.0150.00716.80
7.4.60.0160.00816.72
7.4.50.0160.00716.72
7.4.40.0190.00416.66
7.4.30.0150.00916.81
7.4.20.0200.00516.79
7.4.10.0200.00516.79
7.4.00.0180.00716.82
7.3.330.0170.00916.73
7.3.320.0170.00816.70
7.3.310.0210.00316.63
7.3.300.0190.00216.83
7.3.290.0180.00416.75
7.3.280.0220.00116.75
7.3.270.0160.00416.73
7.3.260.0150.00616.62
7.3.250.0180.00216.71
7.3.240.0170.00516.71
7.3.230.0160.00516.74
7.3.220.0160.00616.67
7.3.210.0160.00516.76
7.3.200.0140.00516.57
7.3.190.0120.00816.67
7.3.180.0180.00516.62
7.3.170.0160.00716.79
7.3.160.0170.00616.71
7.3.150.0170.00616.66
7.3.140.0180.00316.66
7.3.130.0170.00416.64
7.3.120.0160.00216.59
7.3.110.0170.00116.87
7.3.100.0190.00316.56
7.3.90.0160.00516.88
7.3.80.0140.00616.72
7.3.70.0130.00417.09
7.3.60.0140.00616.71
7.3.50.0140.00616.79
7.3.40.0160.00516.66
7.3.30.0150.00716.81
7.3.20.0130.00918.21
7.3.10.0170.00518.31
7.3.00.0160.00618.14

preferences:
51.94 ms | 401 KiB | 5 Q