3v4l.org

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

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)
8.3.60.0040.01518.31
8.3.50.0110.01021.08
8.3.40.0110.00318.59
8.3.30.0100.00620.34
8.3.20.0090.00921.91
8.3.10.0070.01122.82
8.3.00.0100.00421.37
8.2.180.0100.00716.63
8.2.170.0000.01522.96
8.2.160.0100.00822.22
8.2.150.0070.00722.43
8.2.140.0050.00823.37
8.2.130.0090.00324.21
8.2.120.0100.00319.23
8.2.110.0080.00321.14
8.2.100.0060.00719.41
8.2.90.0150.00418.57
8.2.80.0130.00718.76
8.2.70.0160.00418.81
8.2.60.0150.00518.18
8.2.50.0140.00518.27
8.2.40.0140.00618.21
8.2.30.0120.00718.42
8.2.20.0140.00318.33
8.2.10.0110.00818.26
8.2.00.0120.00418.16
8.1.270.0070.00424.00
8.1.260.0060.00625.10
8.1.250.0070.00425.96
8.1.240.0080.00619.55
8.1.230.0090.00319.51
8.1.220.0130.00418.17
8.1.210.0100.00618.71
8.1.200.0120.00618.00
8.1.190.0090.00817.92
8.1.180.0140.00517.92
8.1.170.0120.00518.11
8.1.160.0120.00518.21
8.1.150.0100.00718.71
8.1.140.0130.00617.95
8.1.130.0110.00617.94
8.1.120.0110.00717.91
8.1.110.0100.00817.83
8.1.100.0120.00617.97
8.1.90.0120.00617.86
8.1.80.0110.00617.84
8.1.70.0120.00417.95
8.1.60.0110.00718.02
8.1.50.0150.00317.89
8.1.40.0140.00518.04
8.1.30.0110.00717.99
8.1.20.0130.00718.05
8.1.10.0130.00617.87
8.1.00.0150.00417.93
8.0.300.0130.00619.84
8.0.290.0150.00517.63
8.0.280.0160.00417.65
8.0.270.0140.00517.49
8.0.260.0130.00717.08
8.0.250.0120.00617.16
8.0.240.0150.00317.29
8.0.230.0140.00417.24
8.0.220.0120.00517.07
8.0.210.0140.00317.08
8.0.200.0130.00417.32
8.0.190.0120.00617.06
8.0.180.0140.00517.05
8.0.170.0130.00617.12
8.0.160.0120.00617.28
8.0.150.0130.00617.02
8.0.140.0150.00417.02
8.0.130.0140.00516.79
8.0.120.0130.00517.04
8.0.110.0110.00717.06
8.0.100.0120.00617.03
8.0.90.0110.00717.00
8.0.80.0130.00517.27
8.0.70.0120.00417.16
8.0.60.0120.00416.98
8.0.50.0110.00616.99
8.0.30.0120.00517.21
8.0.20.0110.00617.28
8.0.10.0120.00517.15
8.0.00.0110.00617.86
7.4.330.0090.00315.75
7.4.320.0150.00316.81
7.4.300.0150.00416.88
7.4.290.0120.00516.99
7.4.280.0130.00616.91
7.4.270.0100.00817.01
7.4.260.0140.00416.68
7.4.250.0130.00416.96
7.4.240.0120.00616.93
7.4.230.0150.00416.77
7.4.220.0110.00616.93
7.4.210.0110.00616.93
7.4.200.0120.00516.94
7.4.190.0130.00316.82
7.4.180.0140.00417.07
7.4.160.0130.00416.92
7.4.150.0130.00516.99
7.4.140.0140.00417.12
7.4.130.0120.00616.63
7.4.120.0130.00516.84
7.4.110.0140.00416.71
7.4.100.0150.00516.77
7.4.90.0130.00616.69
7.4.80.0140.00616.96
7.4.70.0140.00516.72
7.4.60.0140.00516.72
7.4.50.0140.00416.62
7.4.40.0150.00416.60
7.4.30.0130.00516.69
7.4.20.0160.00416.71
7.4.10.0130.00716.51
7.4.00.0110.00716.63
7.3.330.0140.00416.74
7.3.320.0160.00416.31
7.3.310.0140.00616.57
7.3.300.0160.00316.79
7.3.290.0130.00416.58
7.3.280.0110.00816.49
7.3.270.0150.00516.90
7.3.260.0180.00316.84
7.3.250.0160.00616.61
7.3.240.0160.00416.54
7.3.230.0140.00616.59
7.3.220.0170.00416.52
7.3.210.0150.00516.53
7.3.200.0150.00416.50
7.3.190.0150.00516.52
7.3.180.0140.00716.52
7.3.170.0150.00516.55
7.3.160.0150.00616.54
7.3.150.0160.00516.52
7.3.140.0150.00516.47
7.3.130.0140.00616.40
7.3.120.0130.00716.07
7.3.110.0140.00616.22
7.3.100.0130.00616.14
7.3.90.0150.00416.36
7.3.80.0150.00416.29
7.3.70.0130.00516.34
7.3.60.0130.00516.20
7.3.50.0130.00616.11
7.3.40.0130.00516.06
7.3.30.0140.00515.98
7.3.20.0200.00617.22
7.3.10.0190.00616.88
7.3.00.0170.00616.93
7.2.340.0130.00516.81
7.2.330.0120.00816.59
7.2.320.0140.00716.71
7.2.310.0150.00616.61
7.2.300.0140.00516.70
7.2.290.0150.00516.65
7.2.280.0160.00416.72
7.2.270.0150.00516.62
7.2.260.0140.00716.43
7.2.250.0150.00516.47
7.2.240.0130.00816.32
7.2.230.0130.00616.32
7.2.220.0160.00616.48
7.2.210.0120.00716.35
7.2.200.0150.00516.52
7.2.190.0150.00416.29
7.2.180.0130.00716.13
7.2.170.0110.00816.23
7.2.160.0140.00516.32
7.2.150.0140.00717.56
7.2.140.0150.00517.55
7.2.130.0190.00617.24
7.2.120.0170.00617.23
7.2.110.0280.00617.06
7.2.100.0230.00717.07
7.2.90.0250.00617.05
7.2.80.0210.00717.09
7.2.70.0280.00617.06
7.2.60.0250.00817.08
7.2.50.0250.00517.04
7.2.40.0260.00617.04
7.2.30.0230.00617.19
7.2.20.0190.00717.17
7.2.10.0240.00717.28
7.2.00.0210.00617.29
7.1.330.0120.00516.71
7.1.320.0140.00516.81
7.1.310.0170.00416.82
7.1.300.0130.00416.71
7.1.290.0150.00416.70
7.1.280.0130.00516.46
7.1.270.0140.00616.59
7.1.260.0140.00416.47
7.1.250.0160.00616.10
7.1.240.0200.00516.10
7.1.230.0300.00616.01
7.1.220.0260.00516.01
7.1.210.0250.00516.01
7.1.200.0240.00615.99
7.1.190.0240.00616.00
7.1.180.0210.00715.95
7.1.170.0240.00716.08
7.1.160.0210.00716.01
7.1.150.0220.00616.06
7.1.140.0220.00716.05
7.1.130.0240.00416.07
7.1.120.0210.00716.02
7.1.110.0220.00716.02
7.1.100.0230.00616.08
7.1.90.0220.00615.96
7.1.80.0220.00615.98
7.1.70.0190.00715.87
7.1.60.0240.00818.80
7.1.50.0230.00719.55
7.1.40.0270.00718.67
7.1.30.0280.00718.59
7.1.20.0270.00818.67
7.1.10.0240.00715.81
7.1.00.0240.00816.14
7.0.330.0180.00515.87
7.0.320.0200.00415.89
7.0.310.0290.00615.74
7.0.300.0230.00515.75
7.0.290.0280.00515.69
7.0.280.0390.00615.69
7.0.270.0220.00715.81
7.0.260.0240.00615.84
7.0.250.0290.00515.79
7.0.240.0250.00515.83
7.0.230.0240.00715.82
7.0.220.0250.00615.81
7.0.210.0350.00715.66
7.0.200.0240.00515.65
7.0.190.0230.00615.77
7.0.180.0270.00715.64
7.0.170.0220.00615.71
7.0.160.0250.00715.65
7.0.150.0220.00615.60
7.0.140.0270.00915.96
7.0.130.0220.00715.71
7.0.120.0230.00815.65
7.0.110.0240.00615.69
7.0.100.0260.00615.61
7.0.90.0220.00615.59
7.0.80.0240.00715.55
7.0.70.0220.01015.94
7.0.60.0210.00915.96
7.0.50.0230.00815.96
7.0.40.0240.01015.90
7.0.30.0230.01015.86
7.0.20.0210.00915.73
7.0.10.0220.00915.81
7.0.00.0210.00815.82
5.6.400.0140.00515.91
5.6.390.0130.00715.90
5.6.380.0140.00515.58
5.6.370.0130.00615.60
5.6.360.0140.00615.55
5.6.350.0140.00515.52
5.6.340.0120.00615.61
5.6.330.0110.00715.58
5.6.320.0120.00515.57
5.6.310.0110.00615.58
5.6.300.0130.01516.12
5.6.290.0140.01316.20
5.6.280.0110.01716.42
5.6.270.0130.01316.13
5.6.260.0130.01116.15
5.6.250.0130.01316.12
5.6.240.0120.01416.20
5.6.230.0130.01216.20
5.6.220.0130.01616.46
5.6.210.0120.01716.47
5.6.200.0140.01516.49
5.6.190.0110.01916.46
5.6.180.0130.01516.48
5.6.170.0150.01316.43
5.6.160.0120.01716.47
5.6.150.0130.01616.45
5.6.140.0130.01516.45
5.6.130.0130.01416.49
5.6.120.0110.01516.43
5.6.110.0140.01416.38
5.6.100.0130.01516.40
5.6.90.0140.01416.38
5.6.80.0130.01216.33
5.6.70.0120.01616.35
5.6.60.0120.01416.33
5.6.50.0100.01516.25
5.6.40.0090.01616.31
5.6.30.0100.01716.29
5.6.20.0080.01816.26
5.6.10.0120.01316.25
5.6.00.0110.01416.26
5.5.380.0130.01215.33
5.5.370.0130.01215.20
5.5.360.0130.01615.44
5.5.350.0110.01515.46
5.5.340.0110.01615.55
5.5.330.0120.01515.51
5.5.320.0130.01615.48
5.5.310.0130.01515.55
5.5.300.0130.01415.54
5.5.290.0140.01315.54
5.5.280.0120.01715.54
5.5.270.0120.01615.48
5.5.260.0130.01315.49
5.5.250.0120.01415.48
5.5.240.0110.01415.47
5.5.230.0130.01315.44
5.5.220.0120.01315.44
5.5.210.0130.01315.45
5.5.200.0110.01415.42
5.5.190.0130.01415.33
5.5.180.0120.01515.38
5.5.170.0100.00615.04
5.5.160.0120.01315.37
5.5.150.0100.01415.37
5.5.140.0110.01415.41
5.5.130.0110.01315.36
5.5.120.0120.01215.34
5.5.110.0120.01215.34
5.5.100.0110.01415.40
5.5.90.0110.01315.43
5.5.80.0110.01315.40
5.5.70.0120.01215.42
5.5.60.0100.01315.40
5.5.50.0080.01515.42
5.5.40.0130.01115.43
5.5.30.0110.01315.36
5.5.20.0120.01315.37
5.5.10.0110.01215.40
5.5.00.0110.01315.36
5.4.450.0090.01514.31
5.4.440.0120.01314.32
5.4.430.0100.01314.30
5.4.420.0100.01314.32
5.4.410.0100.01414.29
5.4.400.0090.01314.23
5.4.390.0090.01614.24
5.4.380.0100.01314.22
5.4.370.0090.01514.21
5.4.360.0090.01314.19
5.4.350.0100.01214.21
5.4.340.0110.01214.23
5.4.330.0100.00313.32
5.4.320.0090.01314.21
5.4.310.0090.01314.24
5.4.300.0110.01114.24
5.4.290.0100.01214.24
5.4.280.0090.01214.24
5.4.270.0090.01214.24
5.4.260.0100.01314.24
5.4.250.0100.01214.23
5.4.240.0090.01414.23
5.4.230.0090.01314.20
5.4.220.0090.01214.22
5.4.210.0100.01214.22
5.4.200.0100.01314.23
5.4.190.0090.01214.19
5.4.180.0110.01214.21
5.4.170.0100.01114.21
5.4.160.0150.01114.21
5.4.150.0090.01314.18
5.4.140.0090.01213.85
5.4.130.0090.01113.83
5.4.120.0090.01213.83
5.4.110.0090.01213.84
5.4.100.0100.01413.80
5.4.90.0090.01113.82
5.4.80.0080.01313.82
5.4.70.0080.01413.84
5.4.60.0090.01513.82
5.4.50.0090.01413.81
5.4.40.0080.01413.85
5.4.30.0080.01313.81
5.4.20.0090.01413.81
5.4.10.0090.01413.81
5.4.00.0090.01413.71
5.3.290.0080.01413.63
5.3.280.0090.01113.55
5.3.270.0080.01413.57
5.3.260.0080.01213.58
5.3.250.0080.01313.55
5.3.240.0090.01313.49
5.3.230.0090.01113.58
5.3.220.0070.01413.49
5.3.210.0110.01113.48
5.3.200.0090.01413.51
5.3.190.0080.01413.53
5.3.180.0090.01313.61
5.3.170.0080.01513.55
5.3.160.0090.01413.57
5.3.150.0070.01513.60
5.3.140.0090.01313.55
5.3.130.0080.01313.55
5.3.120.0090.01413.56
5.3.110.0080.01613.58
5.3.100.0090.01313.44
5.3.90.0070.01313.44
5.3.80.0090.01213.38
5.3.70.0090.01213.36
5.3.60.0080.01213.47
5.3.50.0070.01413.39
5.3.40.0070.01413.38
5.3.30.0080.01313.43
5.3.20.0080.01413.38
5.3.10.0080.01313.28
5.3.00.0090.01213.26

preferences:
58.91 ms | 400 KiB | 5 Q