3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ''; echo (!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)
8.3.40.0070.00718.59
8.3.30.0030.01318.76
8.3.20.0080.00020.39
8.3.10.0040.00423.59
8.3.00.0000.00821.92
8.2.170.0130.00322.96
8.2.160.0090.00620.46
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00417.75
8.2.110.0030.00719.46
8.2.100.0040.00817.75
8.2.90.0030.00619.23
8.2.80.0030.00617.97
8.2.70.0080.00017.75
8.2.60.0000.00818.03
8.2.50.0060.00318.07
8.2.40.0000.00919.52
8.2.30.0070.00022.32
8.2.20.0080.00017.87
8.2.10.0000.00718.21
8.2.00.0090.00018.06
8.1.270.0080.00023.95
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0090.00023.88
8.1.230.0090.00317.42
8.1.220.0030.00617.79
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0000.00817.35
8.1.180.0080.00018.10
8.1.170.0060.00318.55
8.1.160.0050.00222.05
8.1.150.0040.00418.87
8.1.140.0040.00417.35
8.1.130.0070.00017.74
8.1.120.0030.00317.46
8.1.110.0030.00517.48
8.1.100.0040.00417.33
8.1.90.0000.00717.44
8.1.80.0040.00417.47
8.1.70.0070.00017.47
8.1.60.0040.00417.46
8.1.50.0040.00417.42
8.1.40.0050.00217.35
8.1.30.0000.00817.64
8.1.20.0000.00717.63
8.1.10.0080.00017.42
8.1.00.0040.00417.38
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0030.00318.34
8.0.270.0030.00317.24
8.0.260.0040.00417.20
8.0.250.0020.00516.98
8.0.240.0000.00817.02
8.0.230.0040.00416.89
8.0.220.0030.00316.98
8.0.210.0040.00416.86
8.0.200.0030.00716.99
8.0.190.0060.00316.87
8.0.180.0030.00616.84
8.0.170.0060.00317.00
8.0.160.0040.00416.93
8.0.150.0030.00316.88
8.0.140.0000.00716.86
8.0.130.0000.00513.41
8.0.120.0000.00816.86
8.0.110.0030.00616.77
8.0.100.0000.00816.91
8.0.90.0040.00416.80
8.0.80.0120.00316.91
8.0.70.0040.00417.05
8.0.60.0030.00717.04
8.0.50.0000.00816.92
8.0.30.0070.00817.00
8.0.20.0080.01217.40
8.0.10.0000.00717.01
8.0.00.0080.00916.87
7.4.330.0060.00015.08
7.4.320.0040.00416.60
7.4.300.0060.00016.59
7.4.290.0030.00316.49
7.4.280.0040.00416.56
7.4.270.0000.00616.44
7.4.260.0070.00016.38
7.4.250.0030.00616.56
7.4.240.0020.00516.54
7.4.230.0030.00316.41
7.4.220.0070.01416.55
7.4.210.0060.00916.52
7.4.200.0070.00016.67
7.4.160.0060.00916.40
7.4.150.0110.00617.40
7.4.140.0120.00617.86
7.4.130.0080.01016.47
7.4.120.0080.00816.57
7.4.110.0090.00916.31
7.4.100.0060.01316.43
7.4.90.0090.00916.56
7.4.80.0060.01319.39
7.4.70.0070.01116.33
7.4.60.0030.01416.33
7.4.50.0000.00816.25
7.4.40.0060.01216.76
7.4.30.0160.00416.50
7.4.00.0090.00414.76
7.3.330.0000.00613.17
7.3.320.0020.00213.11
7.3.310.0030.00416.14
7.3.300.0030.00316.08
7.3.290.0060.00916.20
7.3.280.0110.00716.21
7.3.270.0110.00817.40
7.3.260.0030.01316.38
7.3.250.0080.00816.39
7.3.240.0080.01516.28
7.3.230.0070.01416.39
7.3.210.0060.01016.42
7.3.200.0040.01816.42
7.3.190.0130.00316.34
7.3.180.0090.00616.22
7.3.170.0100.00516.27
7.3.160.0060.01016.49
7.2.330.0120.00616.34
7.2.320.0030.01416.54
7.2.310.0100.00616.55
7.2.300.0030.01316.64
7.2.290.0060.01016.59
7.2.60.0060.00916.91
7.2.00.0060.00619.10
7.1.200.0000.01415.68
7.1.100.0040.00717.66
7.1.70.0070.00717.16
7.1.60.0060.01819.29
7.1.50.0030.01016.73
7.1.00.0030.07322.30
7.0.200.0090.00316.77
7.0.60.0030.06719.92
7.0.50.0070.07717.80
7.0.40.0170.03719.96
7.0.30.0200.04020.18
7.0.20.0200.04320.18
7.0.10.0100.05020.04
7.0.00.0000.04320.15
5.6.280.0030.07321.11
5.6.210.0130.08020.74
5.6.200.0030.06318.18
5.6.190.0100.09020.52
5.6.180.0100.08720.77
5.6.170.0230.08020.46
5.6.160.0070.06720.34
5.6.150.0000.06018.18
5.6.140.0070.08018.11
5.6.130.0030.05318.17
5.6.120.0070.06320.88
5.6.110.0170.05320.96
5.6.100.0030.08321.10
5.6.90.0030.07020.87
5.6.80.0100.03320.35
5.5.350.0070.07720.41
5.5.340.0130.07718.02
5.5.330.0030.06320.27
5.5.320.3700.04720.41
5.5.310.0170.04320.41
5.5.300.0100.08017.91
5.5.290.0130.07318.02
5.5.280.0070.07020.73
5.5.270.0000.06320.93
5.5.260.0030.05320.88
5.5.250.0070.08320.68
5.5.240.0030.08320.26
5.4.450.0770.05719.53
5.4.440.0730.06019.61
5.4.430.0770.05319.10
5.4.420.0800.05019.41
5.4.410.0700.05319.34
5.4.400.0830.04318.82
5.4.390.0800.04718.91
5.4.380.0770.04319.28
5.4.370.0700.05318.81
5.4.360.0900.04319.09
5.4.350.0630.06019.12
5.4.340.0730.05718.78
5.4.320.0870.06319.30
5.4.310.0700.05319.13
5.4.300.0730.05319.30
5.4.290.0770.04719.28
5.4.280.0830.04319.25
5.4.270.0870.04019.30
5.4.260.0800.05318.98
5.4.250.0700.05718.93
5.4.240.0730.05318.80
5.4.230.0770.06319.30
5.4.220.0670.05719.14
5.4.210.0930.04719.14
5.4.200.0730.07019.28
5.4.190.0700.06019.27
5.4.180.0500.06718.93
5.4.170.0700.04319.27
5.4.160.0030.06019.12
5.4.150.0230.06019.13
5.4.140.0730.05316.52
5.4.130.0800.06316.51
5.4.120.0330.07016.39
5.4.110.0230.05716.46
5.4.100.0300.06316.39
5.4.90.0530.06016.43
5.4.80.0270.06016.20
5.4.70.0230.06716.05
5.4.60.0100.04716.40
5.4.50.0000.05316.36
5.4.40.0270.06716.36
5.4.30.0030.03316.48
5.4.20.0270.04016.04
5.4.10.0230.07716.15

preferences:
42.68 ms | 400 KiB | 5 Q