3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump($undef); // NULL; notice var_dump($undef + 100); // 100 var_dump($undef); // NULL; notice

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)
8.3.60.0060.00916.63
8.3.50.0150.00720.96
8.3.40.0110.00418.72
8.3.30.0070.00718.54
8.3.20.0040.00420.16
8.3.10.0000.00823.59
8.3.00.0000.00822.43
8.2.180.0140.00418.29
8.2.170.0100.01022.96
8.2.160.0140.00022.12
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0090.00017.50
8.2.110.0030.00622.08
8.2.100.0090.00317.63
8.2.90.0040.00418.96
8.2.80.0040.00417.97
8.2.70.0040.00417.38
8.2.60.0040.00417.80
8.2.50.0050.00318.07
8.2.40.0000.00821.07
8.2.30.0040.00419.63
8.2.20.0050.00317.48
8.2.10.0000.00717.89
8.2.00.0040.00417.88
8.1.280.0100.00325.92
8.1.270.0060.00320.20
8.1.260.0030.00626.35
8.1.250.0040.00428.09
8.1.240.0040.00423.89
8.1.230.0080.00417.42
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0000.01017.00
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0050.00318.46
8.1.160.0040.00422.00
8.1.150.0000.00718.77
8.1.140.0000.00817.22
8.1.130.0000.00717.61
8.1.120.0030.00317.32
8.1.110.0040.00417.32
8.1.100.0030.00517.20
8.1.90.0070.00017.32
8.1.80.0000.00717.21
8.1.70.0030.00317.24
8.1.60.0030.00617.38
8.1.50.0060.00317.30
8.1.40.0080.00017.39
8.1.30.0030.00517.50
8.1.20.0000.00717.42
8.1.10.0000.00817.36
8.1.00.0000.00717.16
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0000.00718.36
8.0.270.0000.00717.14
8.0.260.0040.00417.03
8.0.250.0000.00716.80
8.0.240.0030.00316.90
8.0.230.0030.00316.84
8.0.220.0030.00316.68
8.0.210.0070.00016.77
8.0.200.0070.00016.77
8.0.190.0000.00816.86
8.0.180.0000.00716.73
8.0.170.0040.00416.76
8.0.160.0030.00316.72
8.0.150.0070.00016.72
8.0.140.0030.00416.64
8.0.130.0060.00013.25
8.0.120.0000.00716.66
8.0.110.0000.00716.71
8.0.100.0030.00316.69
8.0.90.0070.00016.64
8.0.80.0110.00916.86
8.0.70.0040.00416.71
8.0.60.0050.00316.88
8.0.50.0000.00716.69
8.0.30.0100.00616.94
8.0.20.0100.00817.40
8.0.10.0030.00316.90
8.0.00.0110.00816.74
7.4.330.0000.00615.29
7.4.320.0030.00316.39
7.4.300.0000.00616.44
7.4.290.0070.00016.49
7.4.280.0040.00416.27
7.4.270.0030.00316.48
7.4.260.0030.00316.36
7.4.250.0030.00516.44
7.4.240.0020.00516.43
7.4.230.0050.00216.26
7.4.220.0040.01416.26
7.4.210.0090.00716.57
7.4.200.0040.00416.47
7.4.160.0130.00316.45
7.4.150.0060.01217.40
7.4.140.0130.00617.86
7.4.130.0090.00816.39
7.4.120.0070.01016.48
7.4.110.0100.00716.23
7.4.100.0110.00616.39
7.4.90.0080.00816.22
7.4.80.0110.00719.39
7.4.70.0090.01216.56
7.4.60.0090.00616.19
7.4.50.0020.00216.33
7.4.40.0030.01316.43
7.4.30.0100.00816.51
7.4.00.0070.00714.47
7.3.330.0000.00513.09
7.3.320.0050.00013.14
7.3.310.0030.00316.37
7.3.300.0000.00616.14
7.3.290.0090.00916.24
7.3.280.0110.00716.26
7.3.270.0040.01417.40
7.3.260.0100.00616.28
7.3.250.0130.00716.33
7.3.240.0110.00616.42
7.3.230.0100.00716.42
7.3.210.0100.01016.25
7.3.200.0090.00616.54
7.3.190.0070.01016.35
7.3.180.0040.01216.11
7.3.170.0080.01116.33
7.3.160.0030.01416.32
7.2.330.0170.00016.57
7.2.320.0070.01516.54
7.2.310.0120.00616.23
7.2.300.0060.01016.49
7.2.290.0060.01616.46
7.2.00.0030.01019.40
7.1.100.0060.00618.16
7.1.70.0040.00717.29
7.1.60.0030.01719.18
7.1.50.0120.01216.71
7.1.00.0030.08722.45
7.0.200.0220.00716.75
7.0.60.0130.07720.07
7.0.50.0100.03017.82
7.0.40.0070.07720.27
7.0.30.0230.08020.16
7.0.20.0270.08020.16
7.0.10.0130.08020.23
7.0.00.0170.06320.03
5.6.280.0070.02720.88
5.6.210.0070.05020.45
5.6.200.0130.07018.17
5.6.190.0130.08020.43
5.6.180.4730.03320.48
5.6.170.0170.04020.48
5.6.160.0100.07320.48
5.6.150.0070.04018.08
5.6.140.0070.07718.16
5.6.130.0100.07718.13
5.6.120.0070.04321.14
5.6.110.0070.08320.97
5.6.100.0070.06321.10
5.6.90.0170.07320.99
5.6.80.0030.05320.28
5.5.350.0070.08320.40
5.5.340.0000.06018.02
5.5.330.0070.04320.18
5.5.320.0070.07720.24
5.5.310.0300.05720.41
5.5.300.0070.04718.00
5.5.290.0100.08018.02
5.5.280.0000.05320.73
5.5.270.0130.07320.82
5.5.260.0030.06020.79
5.5.250.0170.06320.76
5.5.240.0070.07720.23
5.4.450.0130.08319.47
5.4.440.0130.06019.54
5.4.430.0130.05719.63
5.4.420.0230.06319.54
5.4.410.0200.05019.19
5.4.400.0100.06019.31
5.4.390.0070.05719.10
5.4.380.0130.05019.22
5.4.370.0100.05719.10
5.4.360.0230.04719.28
5.4.350.0170.05718.95
5.4.340.0170.05319.29
5.4.320.0130.05718.78
5.4.310.0230.05719.00
5.4.300.0170.05318.76
5.4.290.0370.06319.29
5.4.280.0970.04319.30
5.4.270.0670.05319.14
5.4.260.0630.06319.14
5.4.250.0730.07018.81
5.4.240.0700.04718.98
5.4.230.0670.05718.94
5.4.220.0270.05319.12
5.4.210.0170.05319.11
5.4.200.0100.05316.64
5.4.190.0170.04719.28
5.4.180.0570.05319.13
5.4.170.0170.07319.25
5.4.160.0230.04718.91
5.4.150.0230.05319.18
5.4.140.0230.05016.58
5.4.130.0130.05316.20
5.4.120.0200.04716.30
5.4.110.0170.05016.36
5.4.100.0270.05716.43
5.4.90.0100.06016.36
5.4.80.0130.05716.34
5.4.70.0230.04716.27
5.4.60.0230.03316.36
5.4.50.0000.03716.38
5.4.40.0230.03716.36
5.4.30.0170.05016.46
5.4.20.0300.04716.20
5.4.10.0300.03716.45

preferences:
47.53 ms | 401 KiB | 5 Q