3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "This is my test case for an example."; $result = []; $last = null; foreach (explode(' ', $string) as $word) { if ($last) { $result[] = "$last $word"; } $last = $word; } var_export($result);

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)
8.4.130.0090.01117.80
8.4.120.0110.00924.05
8.4.110.0090.00418.83
8.4.100.0100.00317.67
8.4.90.0120.00520.34
8.4.80.0110.00718.95
8.4.70.0050.01018.99
8.4.60.0130.01018.77
8.4.50.0130.00718.61
8.4.40.0140.00719.60
8.4.30.0120.00618.89
8.4.20.0190.00017.82
8.4.10.0160.00023.82
8.3.260.0120.00716.70
8.3.250.0090.00918.85
8.3.240.0120.00417.49
8.3.230.0080.00916.48
8.3.220.0120.00518.86
8.3.210.0110.00818.35
8.3.200.0070.00316.71
8.3.190.0100.00817.29
8.3.180.0120.00617.02
8.3.170.0090.00922.47
8.3.160.0140.00417.08
8.3.150.0040.01517.04
8.3.140.0050.00317.04
8.3.130.0080.00018.26
8.3.120.0040.00419.16
8.3.110.0040.00420.94
8.3.100.0040.00724.06
8.3.90.0040.00426.77
8.3.80.0040.00416.35
8.3.70.0090.00616.75
8.3.60.0090.00616.88
8.3.50.0110.00420.47
8.3.40.0110.00722.18
8.3.30.0120.00918.90
8.3.20.0000.00824.18
8.3.10.0050.00324.66
8.3.00.0070.00026.16
8.2.290.0100.00916.77
8.2.280.0110.01018.38
8.2.270.0120.00617.19
8.2.260.0110.00418.87
8.2.250.0080.00016.48
8.2.240.0070.01118.92
8.2.230.0070.00022.58
8.2.220.0060.00337.54
8.2.210.0060.00326.77
8.2.200.0070.00418.18
8.2.190.0170.00316.58
8.2.180.0120.00325.92
8.2.170.0060.01219.04
8.2.160.0170.00022.96
8.2.150.0070.00025.66
8.2.140.0050.00324.66
8.2.130.0060.00326.16
8.2.120.0030.00526.16
8.2.110.0040.00720.57
8.2.100.0040.00717.84
8.2.90.0040.00420.59
8.2.80.0050.00317.97
8.2.70.0050.00518.16
8.2.60.0060.00318.22
8.2.50.0040.00418.10
8.2.40.0040.00420.94
8.2.30.0070.00018.13
8.2.20.0000.00719.21
8.2.10.0000.00718.12
8.2.00.0000.00719.34
8.1.330.0090.01115.93
8.1.320.0140.00616.30
8.1.310.0040.00416.39
8.1.300.0090.00620.21
8.1.290.0040.00430.84
8.1.280.0110.00825.92
8.1.270.0060.00324.66
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0090.00023.82
8.1.230.0080.00320.83
8.1.220.0000.00717.76
8.1.210.0030.00718.97
8.1.200.0060.00317.36
8.1.190.0000.00817.50
8.1.180.0000.00818.10
8.1.170.0000.00818.57
8.1.160.0070.00018.79
8.1.150.0000.00718.54
8.1.140.0070.00017.46
8.1.130.0070.00018.88
8.1.120.0040.00419.03
8.1.110.0120.00418.01
8.1.100.0110.00517.95
8.1.90.0130.00318.01
8.1.80.0110.00518.03
8.1.70.0130.00217.97
8.1.60.0100.00818.13
8.1.50.0160.00318.06
8.1.40.0140.00418.14
8.1.30.0120.00718.18
8.1.20.0130.00618.95
8.1.10.0100.00918.01
8.1.00.0130.00518.07
8.0.300.0040.00419.94
8.0.290.0000.00716.75
8.0.280.0070.00018.48
8.0.270.0030.00317.32
8.0.260.0100.00018.43
8.0.250.0060.00517.44
8.0.240.0110.00517.46
8.0.230.0140.00318.34
8.0.220.0100.00617.35
8.0.210.0120.00317.45
8.0.200.0020.01217.47
8.0.190.0100.00517.49
8.0.180.0080.00517.46
8.0.170.0090.00517.40
8.0.160.0140.00217.43
8.0.150.0020.01317.34
8.0.140.0100.00417.33
8.0.130.0080.00717.26
8.0.120.0110.00617.37
8.0.110.0110.00317.29
8.0.100.0140.00117.41
8.0.90.0110.00418.29
8.0.80.0120.00317.37
8.0.70.0110.00417.39
8.0.60.0130.00217.39
8.0.50.0090.00717.35
8.0.30.0130.00317.36
8.0.20.0140.00217.48
8.0.10.0110.00317.43
7.4.330.0010.00415.55
7.4.320.0140.00318.05
7.4.300.0060.00717.97
7.4.290.0070.00617.07
7.4.280.0040.00617.08
7.4.270.0110.00417.04
7.4.260.0150.00117.12
7.4.250.0130.00417.13
7.4.240.0090.00517.05
7.4.230.0060.00717.08
7.4.220.0090.00717.06
7.4.210.0110.00317.06
7.4.200.0090.00517.12
7.4.190.0130.00117.16
7.4.180.0110.00317.14
7.4.160.0080.00717.18
7.4.150.0110.00416.94
7.4.140.0120.00317.94
7.4.130.0120.00216.90
7.4.120.0070.00717.02
7.4.110.0090.00417.03
7.4.100.0110.00317.05
7.4.90.0090.00616.92
7.4.80.0080.00716.99
7.4.70.0100.00516.92
7.4.60.0110.00317.06
7.4.50.0110.00416.87
7.4.40.0100.00316.88
7.4.30.0090.00517.02
7.4.20.0070.00716.96
7.4.10.0100.00217.80
7.4.00.0070.00517.88

preferences:
64.32 ms | 403 KiB | 5 Q