3v4l.org

run code in 300+ PHP versions simultaneously
<?php function reverseWords($str) { return implode(' ', array_map('strrev', explode(' ', $str))); } echo reverseWords("this is a string"), PHP_EOL; echo reverseWords("this is a string");

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)
8.4.140.0130.00817.69
8.4.130.0040.00517.59
8.4.120.0030.00524.14
8.4.110.0120.00822.40
8.4.100.0140.00618.67
8.4.90.0050.00418.78
8.4.80.0040.00418.37
8.4.70.0040.00419.55
8.4.60.0090.01220.25
8.4.50.0150.00517.55
8.4.40.0080.00018.88
8.4.30.0100.01020.35
8.4.20.0070.01422.27
8.4.10.0060.01222.63
8.3.270.0120.00816.34
8.3.260.0130.00516.36
8.3.250.0090.00818.90
8.3.240.0100.00917.06
8.3.230.0130.00516.34
8.3.220.0120.00618.81
8.3.210.0100.00818.25
8.3.200.0070.00216.56
8.3.190.0090.01017.07
8.3.180.0120.00618.29
8.3.170.0150.00416.72
8.3.160.0110.00716.45
8.3.150.0130.00617.02
8.3.140.0000.00818.81
8.3.130.0000.00818.52
8.3.120.0080.00016.40
8.3.110.0030.00616.50
8.3.100.0000.00918.37
8.3.90.0040.00426.77
8.3.80.0090.00016.38
8.3.70.0000.01416.58
8.3.60.0120.00318.31
8.3.50.0140.00324.55
8.3.40.0110.01118.71
8.3.30.0110.00418.75
8.3.20.0050.00324.18
8.3.10.0000.00824.66
8.3.00.0030.00526.16
8.2.290.0070.01120.36
8.2.280.0050.00420.15
8.2.270.0070.01116.57
8.2.260.0000.00818.46
8.2.250.0040.00418.25
8.2.240.0000.00916.84
8.2.230.0040.00420.94
8.2.220.0040.00424.06
8.2.210.0100.00326.77
8.2.200.0000.00918.29
8.2.190.0090.00616.63
8.2.180.0070.01125.92
8.2.170.0130.00319.01
8.2.160.0100.00722.96
8.2.150.0070.00025.66
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0070.00319.54
8.2.110.0090.00021.12
8.2.100.0120.00017.72
8.2.90.0070.00020.59
8.2.80.0050.00317.97
8.2.70.0050.00517.80
8.2.60.0000.00818.09
8.2.50.0090.00018.10
8.2.40.0030.00619.48
8.2.30.0000.00719.20
8.2.20.0050.00218.11
8.2.10.0040.00419.23
8.2.00.0000.00819.29
8.1.330.0110.00721.92
8.1.320.0090.01016.12
8.1.310.0000.01516.68
8.1.300.0090.00017.69
8.1.290.0060.00330.84
8.1.280.0110.00425.92
8.1.270.0040.00423.99
8.1.260.0030.00626.35
8.1.250.0040.00428.09
8.1.240.0060.00319.22
8.1.230.0110.00020.85
8.1.220.0030.00617.79
8.1.210.0000.00919.17
8.1.200.0030.00617.22
8.1.190.0030.00617.22
8.1.180.0040.00418.10
8.1.170.0000.01018.57
8.1.160.0030.00318.82
8.1.150.0000.00718.71
8.1.140.0070.00020.34
8.1.130.0000.00720.03
8.1.120.0040.00417.39
8.1.110.0040.00417.24
8.1.100.0040.00417.25
8.1.90.0000.00817.21
8.1.80.0070.00317.28
8.1.70.0000.00717.21
8.1.60.0030.00617.52
8.1.50.0020.00517.46
8.1.40.0000.00717.41
8.1.30.0000.01217.47
8.1.20.0050.00317.63
8.1.10.0060.00317.33
8.1.00.0040.00417.26
8.0.300.0040.00419.93
8.0.290.0070.00016.63
8.0.280.0040.00418.43
8.0.270.0040.00416.63
8.0.260.0000.00720.09
8.0.250.0070.00016.89
8.0.240.0000.00716.77
8.0.230.0000.00716.86
8.0.220.0030.00316.79
8.0.210.0040.00416.71
8.0.200.0030.00316.70
8.0.190.0000.00816.68
8.0.180.0000.00816.82
8.0.170.0050.00316.66
8.0.160.0040.00416.71
8.0.150.0000.00716.74
8.0.140.0050.00216.68
8.0.130.0030.00313.23
8.0.120.0000.00716.69
8.0.110.0070.00016.75
8.0.100.0040.00416.77
8.0.90.0000.00716.80
8.0.80.0100.00816.74
8.0.70.0050.00216.81
8.0.60.0040.00416.71
8.0.50.0000.00716.64
8.0.30.0100.01316.86
8.0.20.0070.01316.96
8.0.10.0040.00416.85
8.0.00.0160.00416.56
7.4.330.0020.00215.55
7.4.320.0030.00416.46
7.4.300.0000.00616.42
7.4.290.0040.00416.33
7.4.280.0040.00416.37
7.4.270.0040.00416.43
7.4.260.0000.00613.20
7.4.250.0000.00816.41
7.4.240.0030.00316.54
7.4.230.0030.00316.61
7.4.220.0040.00416.63
7.4.210.0070.00816.54
7.4.200.0070.00016.64
7.4.130.0080.00916.63
7.4.120.0100.01316.54
7.4.110.0130.00416.32
7.4.100.0130.00616.39
7.4.90.0140.00716.12
7.4.80.0150.00816.36
7.4.70.0120.00616.21
7.4.60.0130.01016.56
7.4.50.0060.01816.29
7.4.40.0070.01416.50
7.4.30.0120.01016.40
7.4.20.0070.01016.13
7.4.10.0170.00716.35
7.4.00.0140.01016.41
7.3.330.0030.00316.11
7.3.320.0030.00213.09
7.3.310.0030.00316.20
7.3.300.0030.00516.24
7.3.290.0090.00616.20
7.3.260.0100.00716.55
7.3.230.0060.01216.32
7.3.210.0150.00316.15
7.3.200.0110.00716.27
7.3.190.0070.01416.27
7.3.180.0150.00616.29
7.3.170.0070.01016.34
7.3.160.0030.01616.36
7.3.150.0120.00616.13
7.3.140.0070.01316.24
7.3.130.0100.01016.44
7.3.120.0150.01116.32
7.3.110.0130.00916.55
7.3.100.0060.01216.25
7.3.90.0040.02416.34
7.3.80.0130.01016.29
7.3.70.0130.00916.24
7.3.60.0180.00316.21
7.3.50.0110.00716.16
7.3.40.0090.01216.10
7.3.30.0090.00916.15
7.3.20.0110.00816.21
7.3.10.0100.01616.16
7.3.00.0120.00616.18
7.2.330.0100.01116.26
7.2.320.0070.01416.45
7.2.310.0030.01516.24
7.2.300.0100.00716.47
7.2.290.0130.00616.36
7.2.280.0120.00616.38
7.2.270.0140.00316.59
7.2.260.0090.01516.38
7.2.250.0100.01716.59
7.2.240.0090.01016.35
7.2.230.0120.01216.31
7.2.220.0230.00616.28
7.2.210.0070.01416.14
7.2.200.0130.01016.54
7.2.190.0060.01516.38
7.2.180.0180.00616.38
7.2.170.0130.01016.21
7.2.160.0070.01416.21
7.2.150.0160.00316.41
7.2.140.0120.00916.54
7.2.130.0130.00616.38
7.2.120.0090.00916.18
7.2.110.0090.01216.08
7.2.100.0140.00616.32
7.2.90.0130.01316.11
7.2.80.0060.01316.48
7.2.70.0160.00616.13
7.2.60.0160.00616.37
7.2.50.0120.00616.03
7.2.40.0190.00516.33
7.2.30.0080.01216.37
7.2.20.0060.01616.32
7.2.10.0130.01316.35
7.2.00.0100.01416.25

preferences:
132.92 ms | 403 KiB | 5 Q