3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(str_repeat("a", 4294967294));

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)
8.3.70.0120.00916.58
8.3.60.0120.00916.73
8.3.50.0080.01021.08
8.3.40.0150.00018.55
8.3.30.0070.00718.71
8.3.20.0040.00420.10
8.3.10.0000.00823.56
8.3.00.0040.00423.65
8.2.180.0140.00718.26
8.2.170.0140.00022.96
8.2.160.0030.01020.39
8.2.150.0000.00824.18
8.2.140.0030.00624.66
8.2.130.0050.00319.71
8.2.120.0000.00726.35
8.2.110.0060.00320.98
8.2.100.0060.00717.80
8.2.90.0040.00418.76
8.2.80.0040.00417.97
8.2.70.0030.00617.63
8.2.60.0080.00017.80
8.2.50.0040.00418.07
8.2.40.0000.00920.45
8.2.30.0070.00019.19
8.2.20.0000.00717.42
8.2.10.0070.00017.95
8.2.00.0000.00717.85
8.1.280.0120.00625.92
8.1.270.0040.00423.99
8.1.260.0100.00028.09
8.1.250.0080.00028.09
8.1.240.0060.00319.03
8.1.230.0070.00419.18
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0090.00017.23
8.1.190.0040.00417.11
8.1.180.0040.00418.10
8.1.170.0000.00918.58
8.1.160.0000.00720.51
8.1.150.0000.00718.70
8.1.140.0050.00319.38
8.1.130.0050.00217.57
8.1.120.0000.00717.34
8.1.110.0000.00717.33
8.1.100.0040.00417.33
8.1.90.0060.00317.27
8.1.80.0040.00417.23
8.1.70.0040.00417.37
8.1.60.0050.00217.47
8.1.50.0000.00817.27
8.1.40.0040.00417.41
8.1.30.0000.00817.47
8.1.20.0040.00417.49
8.1.10.0030.00517.41
8.1.00.0060.00317.33
8.0.300.0040.00418.77
8.0.290.0030.00616.75
8.0.280.0070.00018.22
8.0.270.0070.00017.14
8.0.260.0030.00317.25
8.0.250.0020.00516.89
8.0.240.0080.00016.86
8.0.230.0080.00016.90
8.0.220.0040.00416.79
8.0.210.0050.00216.77
8.0.200.0000.00616.89
8.0.190.0030.00616.81
8.0.180.0080.00016.85
8.0.170.0030.00516.69
8.0.160.0040.00416.92
8.0.150.0030.00316.80
8.0.140.0040.00416.79
8.0.130.0050.00013.29
8.0.120.0030.00616.88
8.0.110.0040.00416.69
8.0.100.0050.00316.64
8.0.90.0000.00816.71
8.0.80.0090.01516.78
8.0.70.0040.00416.80
8.0.60.0040.00416.78
8.0.50.0040.00416.93
8.0.30.0070.01116.87
8.0.20.0150.00317.40
8.0.10.0040.00416.73
8.0.00.0090.01016.65
7.4.330.0020.00216.74
7.4.320.0060.00016.45
7.4.300.0000.00816.39
7.4.290.0030.00316.41
7.4.280.0030.00716.28
7.4.270.0000.00716.29
7.4.260.0000.00716.25
7.4.250.0000.00816.32
7.4.240.0010.00616.36
7.4.230.0070.00016.50
7.4.220.0060.01016.49
7.4.210.0100.00316.49
7.4.200.0000.00716.58
7.4.160.0130.00416.39
7.4.150.0040.01417.40
7.4.140.0170.00217.86
7.4.130.0150.00516.28
7.4.120.0070.00916.15
7.4.110.0030.01316.46
7.4.100.0060.01616.27
7.4.90.0150.00316.21
7.4.80.0030.02319.39
7.4.70.0100.00916.47
7.4.60.0090.00616.24
7.4.50.0100.00616.31
7.4.40.0130.00316.36
7.4.30.0120.00616.57
7.4.00.0060.01214.67
7.3.330.0050.00013.08
7.3.320.0050.00012.93
7.3.310.0040.00416.06
7.3.300.0050.00316.18
7.3.290.0080.00816.22
7.3.280.0070.01116.20
7.3.270.0130.00317.40
7.3.260.0160.00016.22
7.3.250.0090.00716.16
7.3.240.0060.01416.40
7.3.230.0000.01716.39
7.3.210.0100.01316.30
7.3.200.0070.01119.39
7.3.190.0030.01316.19
7.3.180.0060.00916.35
7.3.170.0060.00916.27
7.3.160.0120.00316.15
7.2.330.0150.01116.57
7.2.320.0050.01016.57
7.2.310.0030.01316.26
7.2.300.0070.01316.60
7.2.290.0160.00016.54
7.2.60.0070.00716.73
7.2.00.0090.00319.30
7.1.200.0120.00315.70
7.1.100.0100.00317.82
7.1.70.0030.01016.97
7.1.60.0130.01019.27
7.1.50.0040.00716.54
7.1.00.0030.07722.51
7.0.200.0000.01016.73
7.0.60.0130.08021.86
7.0.50.0070.07017.81
7.0.40.0000.09319.98
7.0.30.0170.04020.30
7.0.20.0330.07020.04
7.0.10.0030.04320.11
7.0.00.0070.05320.09
5.6.210.0100.07720.47
5.6.200.0100.08018.14
5.6.190.0130.06720.43
5.6.180.0300.05320.62
5.6.170.0370.07020.42
5.6.160.0030.04320.52
5.6.150.0070.08318.22
5.6.140.0070.06718.09
5.6.130.0070.08718.12
5.6.120.0100.08020.98
5.6.110.0230.05020.88
5.6.100.0170.07020.95
5.6.90.0100.07021.02
5.6.80.0100.07720.36
5.5.350.0030.06020.31
5.5.340.0130.04317.91
5.5.330.0030.06320.41
5.5.320.0300.05020.32
5.5.310.0100.05320.33
5.5.300.0070.04018.00
5.5.290.0000.08717.97
5.5.280.0000.04320.88
5.5.270.0030.04020.76
5.5.260.0100.05720.86
5.5.250.0170.06020.49
5.5.240.0170.07320.14

preferences:
70.34 ms | 401 KiB | 5 Q