3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 123; $b = (string)$a; for ($b = 0;$b = count($b); $b++); echo $b;

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)
8.3.60.0150.00618.68
8.3.50.0040.01116.24
8.3.40.0110.01118.79
8.3.30.0040.01118.62
8.3.20.0070.00021.79
8.3.10.0080.00021.77
8.3.00.0000.00819.98
8.2.180.0100.00718.49
8.2.170.0100.00722.96
8.2.160.0000.01321.05
8.2.150.0040.00424.18
8.2.140.0030.01024.66
8.2.130.0040.00422.25
8.2.120.0070.00726.35
8.2.110.0070.00319.30
8.2.100.0070.00417.72
8.2.90.0000.00819.05
8.2.80.0050.00317.97
8.2.70.0080.00017.38
8.2.60.0080.00017.93
8.2.50.0060.00319.30
8.2.40.0000.00720.42
8.2.30.0000.00820.52
8.2.20.0040.00417.92
8.2.10.0050.00518.16
8.2.00.0040.00418.09
8.1.280.0070.01425.92
8.1.270.0070.00024.04
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0030.01323.97
8.1.230.0030.00919.30
8.1.220.0060.00317.74
8.1.210.0060.00318.77
8.1.200.0030.00617.38
8.1.190.0040.00417.22
8.1.180.0060.00318.10
8.1.170.0090.00018.65
8.1.160.0000.00718.80
8.1.150.0050.00320.17
8.1.140.0040.00419.44
8.1.130.0030.00318.93
8.1.120.0070.00017.45
8.1.110.0040.00417.27
8.1.100.0040.00417.48
8.1.90.0070.00017.31
8.1.80.0030.00617.43
8.1.70.0070.00017.38
8.1.60.0040.00417.56
8.1.50.0040.00417.41
8.1.40.0040.00417.54
8.1.30.0000.00817.65
8.1.20.0040.00417.57
8.1.10.0030.00517.51
8.1.00.0040.00417.46
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0070.00018.32
8.0.270.0030.00516.79
8.0.260.0000.00616.77
8.0.250.0060.00316.95
8.0.240.0030.00616.95
8.0.230.0000.00716.88
8.0.220.0000.00716.85
8.0.210.0000.00716.81
8.0.200.0030.00316.82
8.0.190.0040.00416.92
8.0.180.0030.00516.81
8.0.170.0030.00616.97
8.0.160.0070.00016.88
8.0.150.0000.00716.88
8.0.140.0050.00316.99
8.0.130.0080.00013.37
8.0.120.0040.00416.90
8.0.110.0000.00716.83
8.0.100.0040.00416.80
8.0.90.0000.00816.78
8.0.80.0000.01516.97
8.0.70.0000.00916.93
8.0.60.0030.00516.77
8.0.50.0030.00416.96
8.0.30.0050.01417.15
8.0.20.0160.01117.41
8.0.10.0070.00017.02
8.0.00.0160.01016.63
7.4.330.0000.00515.55
7.4.320.0050.00216.23
7.4.300.0000.00616.36
7.4.290.0000.00916.46
7.4.280.0000.00916.44
7.4.270.0030.00316.45
7.4.260.0030.00316.41
7.4.250.0030.00616.47
7.4.240.0000.00716.45
7.4.230.0000.00716.21
7.4.220.0060.01216.29
7.4.210.0100.01316.43
7.4.200.0070.00016.46
7.4.160.0160.00316.32
7.4.150.0130.00417.40
7.4.140.0120.01217.86
7.4.130.0130.00816.45
7.4.120.0120.01116.41
7.4.110.0110.00816.30
7.4.100.0150.01216.56
7.4.90.0110.00716.21
7.4.80.0080.01219.39
7.4.70.0060.01316.40
7.4.60.0090.00916.38
7.4.50.0100.00716.22
7.4.40.0070.01116.45
7.4.30.0000.01816.23
7.3.330.0060.00213.30
7.3.320.0020.00313.21
7.3.310.0000.00716.29
7.3.300.0000.00616.23
7.3.290.0110.00316.22
7.3.280.0090.00916.23
7.3.270.0070.01517.40
7.3.260.0080.01016.15
7.3.250.0090.01316.20
7.3.240.0110.01016.32
7.3.230.0100.00716.14
7.3.210.0100.00916.21
7.3.200.0100.01016.20
7.3.190.0100.00616.21
7.3.180.0120.00616.40
7.3.170.0150.00916.25
7.3.160.0070.01116.07
7.2.330.0080.01216.50
7.2.320.0090.01616.61
7.2.310.0190.00016.56
7.2.300.0110.00616.29
7.2.290.0060.01216.66
7.1.60.0902.36033.45
7.1.50.0672.33333.14
7.1.40.1132.12732.55
7.1.30.1531.48732.71
7.1.20.1271.88332.91
7.1.10.0802.21714.83
7.1.00.0772.40714.97
7.0.200.0872.34314.95
7.0.190.0502.42014.91
7.0.180.1132.00314.39
7.0.170.0971.80314.30
7.0.160.1331.74714.13
7.0.150.0872.10014.61
7.0.140.1332.19014.75
7.0.130.0702.31714.54
7.0.120.0672.33314.74
7.0.110.0802.34314.73
7.0.100.0602.39314.45
7.0.90.0872.39014.64
7.0.80.0672.34014.32
7.0.70.0632.29014.47
7.0.60.0802.28014.17
7.0.50.0672.37314.62
7.0.40.0602.40314.46
7.0.30.0702.42714.60
7.0.20.0832.26014.55
7.0.10.0432.39714.61
7.0.00.0432.45014.56

preferences:
47.11 ms | 400 KiB | 5 Q