3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'Hello World'; $strArray=explode(" ", $str); $strArray=array_reverse($strArray); $str=implode($strArray, " "); echo $str;

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)
8.5.30.0110.00618.27
8.5.20.0220.00618.02
8.5.10.0240.00616.71
8.5.00.0230.01118.27
8.4.180.0230.01020.81
8.4.170.0220.01021.76
8.4.160.0270.00821.68
8.4.150.0200.00416.77
8.4.140.0260.00717.71
8.4.130.0260.00717.75
8.4.120.0230.01218.90
8.4.110.0260.00918.28
8.4.100.0220.00718.28
8.4.90.0290.00718.23
8.4.80.0280.00718.17
8.4.70.0230.00717.93
8.4.60.0250.00818.32
8.4.50.0260.00819.08
8.4.40.0280.00618.25
8.4.30.0280.00719.11
8.4.20.0290.00419.23
8.4.10.0210.00718.62
8.3.300.0180.00719.64
8.3.290.0250.00919.60
8.3.280.0230.01018.43
8.3.270.0220.01016.71
8.3.260.0270.00516.45
8.3.250.0240.00917.75
8.3.240.0210.01016.76
8.3.230.0270.00716.52
8.3.220.0240.01018.66
8.3.210.0210.01017.54
8.3.200.0190.00716.72
8.3.190.0220.00816.76
8.3.180.0220.00916.79
8.3.170.0230.00918.57
8.3.160.0250.00816.79
8.3.150.0260.00417.68
8.3.140.0230.00616.58
8.3.130.0210.00917.52
8.3.120.0230.00517.73
8.3.110.0190.00718.77
8.3.100.0240.00516.59
8.3.90.0190.00921.65
8.3.80.0230.00617.46
8.3.70.0240.01017.48
8.3.60.0230.01216.65
8.3.50.0190.00721.75
8.3.40.0280.00619.48
8.3.30.0190.00618.32
8.3.20.0140.00819.88
8.3.10.0160.00620.07
8.3.00.0170.00520.12
8.2.300.0280.00919.16
8.2.290.0170.00718.63
8.2.280.0170.00717.63
8.2.270.0190.00917.76
8.2.260.0150.00817.58
8.2.250.0170.00616.85
8.2.240.0160.00816.85
8.2.230.0160.00719.55
8.2.220.0180.00620.37
8.2.210.0180.00821.64
8.2.200.0170.00716.67
8.2.190.0200.00816.56
8.2.180.0210.00716.63
8.2.170.0200.00620.55
8.2.160.0160.01018.60
8.2.150.0190.00621.07
8.2.140.0190.00521.30
8.2.130.0180.00421.95
8.2.120.0170.00522.06
8.2.110.0140.00918.59
8.2.100.0200.00617.81
8.2.90.0140.00717.83
8.2.80.0170.00518.29
8.2.70.0180.00517.88
8.2.60.0170.00518.03
8.2.50.0180.00418.67
8.2.40.0190.00819.31
8.2.30.0160.00618.43
8.2.20.0200.00417.84
8.2.10.0120.01018.58
8.2.00.0160.00518.49
8.1.340.0230.00717.81
8.1.330.0190.00419.23
8.1.320.0160.01016.34
8.1.310.0230.00617.54
8.1.300.0220.00518.16
8.1.290.0200.00423.66
8.1.280.0210.00721.21
8.1.270.0190.00319.80
8.1.260.0170.00522.01
8.1.250.0170.00522.81
8.1.240.0150.00818.46
8.1.230.0130.01017.64
8.1.220.0200.00517.62
8.1.210.0130.00818.21
8.1.200.0180.00417.32
8.1.190.0180.00417.36
8.1.180.0160.00618.28
8.1.170.0190.00418.08
8.1.160.0140.00818.37
8.1.150.0160.00718.32
8.1.140.0150.00717.46
8.1.130.0190.00317.54
8.1.120.0160.00517.51
8.1.110.0120.00917.45
8.1.100.0150.00617.51
8.1.90.0140.00817.59
8.1.80.0180.00417.45
8.1.70.0160.00617.46
8.1.60.0190.00317.72
8.1.50.0180.00717.63
8.1.40.0150.00617.53
8.1.30.0120.00917.75
8.1.20.0170.00817.69
8.1.10.0160.00517.79
8.1.00.0140.00817.56
8.0.300.0170.00417.85
8.0.290.0160.00516.79
8.0.280.0130.00817.63
8.0.270.0180.00317.06
8.0.260.0170.00416.88
8.0.250.0170.00417.01
8.0.240.0160.00517.01
8.0.230.0140.00716.92
8.0.220.0140.00716.94
8.0.210.0100.00216.93
8.0.200.0120.00816.92
8.0.190.0130.00817.02
8.0.180.0150.00816.82
8.0.170.0130.01116.92
8.0.160.0140.00716.98
8.0.150.0160.00417.02
8.0.140.0150.00716.92
8.0.130.0130.00715.07
8.0.120.0160.00716.89
8.0.110.0150.00516.76
8.0.100.0170.00616.86
8.0.90.0120.00916.83
8.0.80.0190.00616.88
8.0.70.0170.00416.87
8.0.60.0160.00416.86
8.0.50.0150.00516.92
8.0.30.0150.01017.17
8.0.20.0160.01017.05
8.0.10.0130.00816.94
8.0.00.0210.00616.83
7.4.330.0170.00416.16
7.4.320.0140.00616.60
7.4.300.0150.00616.53
7.4.290.0160.00416.45
7.4.280.0150.00816.51
7.4.270.0150.00616.55
7.4.260.0140.00616.57
7.4.250.0150.00616.46
7.4.240.0090.00716.60
7.4.230.0120.00716.51
7.4.220.0140.00716.46
7.4.210.0110.00916.46
7.4.200.0140.00716.54
7.4.190.0300.00416.67
7.4.180.0270.00616.73
7.4.160.0260.00716.60
7.4.150.0260.00716.70
7.4.140.0260.00716.49
7.4.130.0140.01016.56
7.4.120.0200.00716.54
7.4.110.0170.00916.47
7.4.100.0240.00516.60
7.4.90.0200.00716.47
7.4.80.0160.01117.94
7.4.70.0190.00616.47
7.4.60.0170.00916.55
7.4.50.0160.00716.37
7.4.40.0230.00916.52
7.4.30.0180.00716.46
7.4.20.0180.00916.37
7.4.10.0190.00616.40
7.4.00.0170.00716.42
7.3.330.0130.00616.38
7.3.320.0140.00614.70
7.3.310.0140.00616.41
7.3.300.0110.00716.29
7.3.290.0130.01016.26
7.3.280.0170.00816.36
7.3.270.0220.00916.49
7.3.260.0200.00516.36
7.3.250.0230.00816.49
7.3.240.0110.01016.36
7.3.230.0180.00616.54
7.3.220.0250.00716.49
7.3.210.0170.00716.51
7.3.200.0170.01016.32
7.3.190.0230.00316.40
7.3.180.0160.00916.40
7.3.170.0210.00416.38
7.3.160.0220.00616.37
7.3.150.0160.00916.37
7.3.140.0140.00916.41
7.3.130.0190.00616.45
7.3.120.0190.00516.39
7.3.110.0150.00916.26
7.3.100.0150.01116.40
7.3.90.0150.01016.31
7.3.80.0140.01016.39
7.3.70.0080.00716.33
7.3.60.0100.00516.40
7.3.50.0110.00716.35
7.3.40.0140.01016.36
7.3.30.0190.00516.32
7.3.20.0130.01317.19
7.3.10.0220.00617.15
7.3.00.0180.00717.23
7.2.340.0320.00316.49
7.2.330.0200.00816.46
7.2.320.0150.01116.56
7.2.310.0160.01216.49
7.2.300.0160.00916.59
7.2.290.0170.00816.51
7.2.280.0200.00616.57
7.2.270.0190.00616.49
7.2.260.0210.00716.49
7.2.250.0160.01116.37
7.2.240.0190.00916.32
7.2.230.0170.00916.45
7.2.220.0180.00916.52
7.2.210.0180.01016.52
7.2.200.0140.01016.48
7.2.190.0140.01116.41
7.2.180.0150.00916.36
7.2.170.0150.00916.57
7.2.160.0160.01016.42
7.2.150.0170.00917.42
7.2.140.0160.00817.37
7.2.130.0200.00717.57
7.2.120.0160.01017.34
7.2.110.0160.01017.47
7.2.100.0180.00817.48
7.2.90.0190.00617.40
7.2.80.0150.00917.54
7.2.70.0180.00917.42
7.2.60.0180.00917.31
7.2.50.0170.00817.35
7.2.40.0150.01117.38
7.2.30.0140.01217.48
7.2.20.0220.00817.36
7.2.10.0150.01017.49
7.2.00.0130.01217.45

preferences:
36.32 ms | 403 KiB | 5 Q