3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace a; $x = 1; is_null($x);

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)
8.3.60.0060.01516.38
8.3.50.0140.00316.24
8.3.40.0080.00818.76
8.3.30.0070.00718.59
8.3.20.0000.00720.52
8.3.10.0080.00521.78
8.3.00.0100.00321.22
8.2.180.0150.00618.25
8.2.170.0150.00022.96
8.2.160.0070.00720.57
8.2.150.0040.00424.18
8.2.140.0060.00722.57
8.2.130.0040.01023.22
8.2.120.0100.00322.46
8.2.110.0070.00820.54
8.2.100.0100.00618.14
8.2.90.0030.00818.16
8.2.80.0080.00418.79
8.2.70.0050.00918.07
8.2.60.0090.00418.22
8.2.50.0050.00918.33
8.2.40.0060.00718.38
8.2.30.0100.00418.33
8.2.20.0070.00718.38
8.2.10.0070.00418.94
8.2.00.0050.00518.90
8.1.280.0140.00425.92
8.1.270.0040.00722.06
8.1.260.0020.00924.17
8.1.250.0110.00025.11
8.1.240.0050.00718.54
8.1.230.0060.01119.74
8.1.220.0090.00518.24
8.1.210.0070.00518.67
8.1.200.0060.00317.76
8.1.190.0020.00617.87
8.1.180.0050.00318.26
8.1.170.0050.00418.36
8.1.160.0050.00318.65
8.1.150.0040.00418.68
8.1.140.0040.00519.53
8.1.130.0030.00517.99
8.1.120.0010.00717.91
8.1.110.0040.00517.83
8.1.100.0020.00617.94
8.1.90.0030.00517.84
8.1.80.0040.00417.85
8.1.70.0060.00217.88
8.1.60.0040.00418.04
8.1.50.0060.00417.98
8.1.40.0080.00017.78
8.1.30.0020.00617.95
8.1.20.0030.00518.14
8.1.10.0050.00317.97
8.1.00.0050.00317.77
8.0.300.0060.00218.27
8.0.290.0100.00117.07
8.0.280.0080.00318.04
8.0.270.0040.00417.80
8.0.260.0100.00017.25
8.0.250.0040.00417.29
8.0.240.0090.00217.26
8.0.230.0060.00417.30
8.0.220.0070.00217.33
8.0.210.0090.00217.25
8.0.200.0070.00217.33
8.0.190.0060.00317.07
8.0.180.0040.00517.29
8.0.170.0070.00517.26
8.0.160.0060.00217.37
8.0.150.0070.00417.29
8.0.140.0060.00517.27
8.0.130.0080.00115.43
8.0.120.0090.00217.28
8.0.110.0010.00717.28
8.0.100.0060.00417.23
8.0.90.0060.00517.14
8.0.80.0040.00717.31
8.0.70.0050.00217.26
8.0.60.0070.00417.32
8.0.50.0040.00717.17
8.0.30.0100.00617.33
8.0.20.0070.01017.44
8.0.10.0070.00417.35
8.0.00.0110.00418.10
7.4.330.0080.00615.25
7.4.320.0110.00516.71
7.4.300.0060.00616.93
7.4.290.0160.00516.95
7.4.280.0080.00416.87
7.4.270.0130.00316.94
7.4.260.0080.00315.30
7.4.250.0170.00617.02
7.4.240.0080.00616.67
7.4.230.0100.00216.89
7.4.220.0060.00416.89
7.4.210.0180.00716.95
7.4.200.0170.00316.92
7.4.190.0290.00617.28
7.4.180.0240.00317.54
7.4.160.0200.00717.43
7.4.150.0160.00017.53
7.4.140.0110.00617.16
7.4.130.0230.00716.96
7.4.120.0180.00916.81
7.4.110.0100.01616.87
7.4.100.0190.00716.92
7.4.90.0180.00716.72
7.4.80.0210.00518.40
7.4.70.0190.00616.83
7.4.60.0210.00816.75
7.4.50.0190.00516.83
7.4.40.0150.00916.56
7.4.30.0160.00716.69
7.4.20.0200.00316.61
7.4.10.0150.00716.59
7.4.00.0130.00816.66
7.3.330.0130.00716.59
7.3.320.0140.00515.00
7.3.310.0140.00316.64
7.3.300.0120.00416.72
7.3.290.0120.00716.34
7.3.280.0080.00716.63
7.3.270.0160.00017.03
7.3.260.0100.00616.77
7.3.250.0130.00317.03
7.3.240.0100.00616.40
7.3.230.0090.00616.70
7.3.220.0100.00716.78
7.3.210.0110.00616.63
7.3.200.0130.00416.58
7.3.190.0160.00516.53
7.3.180.0160.01016.53
7.3.170.0150.01116.88
7.3.160.0150.00816.39
7.3.150.0160.00716.55
7.3.140.0190.00716.51
7.3.130.0180.00316.42
7.3.120.0160.00616.32
7.3.110.0140.00616.43
7.3.100.0110.01016.37
7.3.90.0110.00816.49
7.3.80.0110.00916.36
7.3.70.0150.00716.37
7.3.60.0130.00816.43
7.3.50.0140.00816.37
7.3.40.0120.00516.46
7.3.30.0090.00916.35
7.3.20.0090.00716.41
7.3.10.0140.00616.39
7.3.00.0090.01016.33
7.2.340.0160.00017.10
7.2.330.0120.00416.73
7.2.320.0110.00516.90
7.2.310.0090.00816.72
7.2.300.0110.00716.73
7.2.290.0160.00716.56
7.2.280.0140.00916.57
7.2.270.0120.00716.46
7.2.260.0100.00816.50
7.2.250.0150.00716.52
7.2.240.0150.00816.56
7.2.230.0130.00916.47
7.2.220.0120.01116.60
7.2.210.0160.00416.40
7.2.200.0130.00716.59
7.2.190.0120.00916.43
7.2.180.0090.00916.50
7.2.170.0130.00816.49
7.2.160.0100.00916.49
7.2.150.0100.00916.58
7.2.140.0150.00416.52
7.2.130.0110.00716.54
7.2.120.0100.00716.47
7.2.110.0060.01116.52
7.2.100.0120.00616.65
7.2.90.0100.00916.62
7.2.80.0110.00616.58
7.2.70.0090.00916.57
7.2.60.0110.00816.61
7.2.50.0130.00716.63
7.2.40.0120.00716.67
7.2.30.0150.01016.56
7.2.20.0130.00516.54
7.2.10.0120.00616.55
7.2.00.0110.00916.63

preferences:
50.01 ms | 400 KiB | 5 Q