3v4l.org

run code in 300+ PHP versions simultaneously
<?php $start = memory_get_usage(true); $str = str_repeat('0123456789', 100); var_dump(memory_get_usage(true) - $start);

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)
7.3.10.0060.00816.29
7.3.00.0110.00016.43
7.2.130.0060.00916.89
7.2.120.0120.00616.53
7.2.110.0100.00716.95
7.2.100.0030.01316.84
7.2.90.0030.01216.91
7.2.80.0100.00716.80
7.2.70.0060.00916.63
7.2.60.0080.00316.61
7.2.50.0130.00316.77
7.2.40.0070.00716.77
7.2.30.0060.00616.81
7.2.20.0040.01116.70
7.2.10.0070.00416.78
7.2.00.0070.00717.72
7.1.250.0070.00315.50
7.1.100.0040.01118.09
7.1.70.0130.00316.95
7.1.60.0070.01819.43
7.1.50.0060.01816.87
7.1.00.0030.07722.44
7.0.200.0420.01014.12
7.0.100.0070.07320.05
7.0.90.0070.08020.01
7.0.80.0030.09019.80
7.0.70.0070.08719.93
7.0.60.0070.08719.91
7.0.50.0130.07720.29
7.0.40.0070.04020.06
7.0.30.0130.07319.92
7.0.20.0070.08020.11
7.0.10.0000.09320.14
7.0.00.0100.07720.14
5.6.280.0000.08321.06
5.6.250.0100.08320.67
5.6.240.0130.07720.72
5.6.230.0030.05020.65
5.6.220.0170.07020.55
5.6.210.0070.08320.60
5.6.200.0130.07721.17
5.6.190.0100.07721.11
5.6.180.0100.08321.00
5.6.170.0100.07321.04
5.6.160.0100.07721.01
5.6.150.0170.06721.07
5.6.140.0100.08021.04
5.6.130.0130.06021.01
5.6.120.0100.08020.94
5.6.110.0170.08021.09
5.6.100.0100.06320.94
5.6.90.0100.09020.99
5.6.80.0130.07720.35
5.6.70.0100.07720.37
5.6.60.0130.07020.53
5.6.50.0030.06020.34
5.6.40.0100.04720.40
5.6.30.0070.08020.46
5.6.20.0030.05320.37
5.6.10.0130.07020.39
5.6.00.0100.07720.28
5.5.380.0070.08020.51
5.5.370.0030.08020.50
5.5.360.0170.06020.41
5.5.350.0130.07720.41
5.5.340.0030.08720.84
5.5.330.0100.05320.89
5.5.320.0100.07720.88
5.5.310.0070.08020.85
5.5.300.0030.08720.63
5.5.290.0000.05720.82
5.5.280.0070.08320.83
5.5.270.0130.07720.82
5.5.260.0170.06720.75
5.5.250.0030.05020.66
5.5.240.0100.07720.18
5.5.230.0030.08320.17
5.5.220.0130.04020.22
5.5.210.0070.08020.20
5.5.200.0030.08320.26
5.5.190.0070.08720.12
5.5.180.0100.08020.17
5.5.160.0100.04319.98
5.5.150.0030.08719.98
5.5.140.0030.05320.21
5.5.130.0030.04720.26
5.5.120.0070.04719.98
5.5.110.0030.04320.12
5.5.100.0130.03720.11
5.5.90.0070.03720.09
5.5.80.0170.05719.96
5.5.70.0130.07320.06
5.5.60.0030.07020.14
5.5.50.0100.07320.09
5.5.40.0030.08020.05
5.5.30.0030.05020.14
5.5.20.0070.08020.07
5.5.10.0100.07320.00
5.5.00.0070.07020.02
5.4.450.0100.08019.56
5.4.440.0030.08019.29
5.4.430.0130.07319.13
5.4.420.0100.08019.36
5.4.410.0070.07719.31
5.4.400.0100.07719.05
5.4.390.0100.06018.95
5.4.380.0100.08019.14
5.4.370.0100.07019.05
5.4.360.0030.07719.07
5.4.350.0130.03719.13
5.4.340.0170.06319.25
5.4.320.0000.07718.79
5.4.310.0130.07019.14
5.4.300.0030.08319.13
5.4.290.0100.07719.15
5.4.280.0070.07319.12
5.4.270.0100.06718.78
5.4.260.0030.06318.95
5.4.250.0070.05719.04
5.4.240.0000.05019.05
5.4.230.0000.07718.97
5.4.220.0070.08319.07
5.4.210.0070.07719.03
5.4.200.0130.06319.09
5.4.190.0070.07019.09
5.4.180.0130.07319.03
5.4.170.0070.07319.09
5.4.160.0100.07018.89
5.4.150.0030.07719.09
5.4.140.0130.06716.30
5.4.130.0100.06716.27
5.4.120.0100.07016.33
5.4.110.0030.06316.43
5.4.100.0000.07316.27
5.4.90.0130.05016.30
5.4.80.0000.08016.25
5.4.70.0030.07016.20
5.4.60.0100.06716.24
5.4.50.0070.07316.46
5.4.40.0070.07016.44
5.4.30.0100.07016.18
5.4.20.0070.07316.19
5.4.10.0100.07716.24
5.4.00.0030.07315.81

preferences:
37.9 ms | 404 KiB | 6 Q