3v4l.org

run code in 300+ PHP versions simultaneously
<?php $message = 'Säge'; echo strrev($message);

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)
8.3.60.0100.01018.08
8.3.50.0130.00622.05
8.3.40.0040.01118.50
8.3.30.0030.01019.02
8.3.20.0040.00420.22
8.3.10.0040.00423.65
8.3.00.0040.00419.07
8.2.180.0120.00318.07
8.2.170.0080.00622.96
8.2.160.0060.00922.11
8.2.150.0060.00324.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0080.00019.77
8.2.110.0100.00019.31
8.2.100.0040.00717.84
8.2.90.0040.00417.75
8.2.80.0000.00817.97
8.2.70.0070.00317.50
8.2.60.0100.00017.92
8.2.50.0030.00518.07
8.2.40.0040.00418.22
8.2.30.0000.00717.93
8.2.20.0080.00017.66
8.2.10.0050.00318.04
8.2.00.0040.00417.70
8.1.280.0000.01425.92
8.1.270.0080.00018.88
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00620.99
8.1.230.0100.00022.14
8.1.220.0080.00017.79
8.1.210.0030.00518.77
8.1.200.0030.00617.23
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0090.00018.63
8.1.160.0040.00421.81
8.1.150.0050.00318.87
8.1.140.0000.00819.09
8.1.130.0000.00717.81
8.1.120.0040.00417.35
8.1.110.0090.00017.34
8.1.100.0070.00017.27
8.1.90.0040.00417.41
8.1.80.0070.00017.28
8.1.70.0070.00017.43
8.1.60.0040.00417.48
8.1.50.0080.00017.38
8.1.40.0030.00617.32
8.1.30.0080.00017.44
8.1.20.0070.00017.59
8.1.10.0040.00417.43
8.1.00.0000.00717.45
8.0.300.0040.00418.77
8.0.290.0080.00016.75
8.0.280.0040.00418.48
8.0.270.0000.00717.29
8.0.260.0000.00717.20
8.0.250.0030.00316.93
8.0.240.0060.00016.86
8.0.230.0030.00316.86
8.0.220.0000.00716.79
8.0.210.0040.00416.75
8.0.200.0030.00316.84
8.0.190.0000.00816.77
8.0.180.0040.00416.88
8.0.170.0070.00016.84
8.0.160.0080.00016.88
8.0.150.0040.00416.82
8.0.140.0070.00016.67
8.0.130.0000.00613.32
8.0.120.0000.00816.79
8.0.110.0040.00416.83
8.0.100.0000.00716.64
8.0.90.0040.00416.89
8.0.80.0050.01116.80
8.0.70.0000.00716.65
8.0.60.0000.00716.79
8.0.50.0040.00316.66
8.0.30.0060.01216.94
8.0.20.0100.01017.40
8.0.10.0070.00016.92
8.0.00.0120.00616.50
7.4.330.0050.00015.13
7.4.320.0030.00316.54
7.4.300.0070.00016.53
7.4.290.0030.00316.53
7.4.280.0000.00716.26
7.4.270.0070.00016.50
7.4.260.0060.00316.40
7.4.250.0030.00316.31
7.4.240.0000.00716.43
7.4.230.0000.00716.43
7.4.220.0120.00816.58
7.4.210.0140.00616.61
7.4.200.0070.00016.43
7.4.160.0110.00816.30
7.4.150.0170.00717.40
7.4.140.0080.01217.86
7.4.130.0070.01216.36
7.4.120.0110.00816.46
7.4.110.0100.00716.32
7.4.100.0160.00616.50
7.4.90.0090.00916.49
7.4.80.0100.00619.39
7.4.70.0030.01916.41
7.4.60.0100.00616.35
7.4.50.0000.00516.59
7.4.40.0110.00416.48
7.4.30.0140.00516.56
7.4.00.0130.00014.94
7.3.330.0030.00313.07
7.3.320.0030.00313.14
7.3.310.0070.00016.04
7.3.300.0000.00715.96
7.3.290.0110.00516.12
7.3.280.0090.01116.08
7.3.270.0070.01017.40
7.3.260.0100.00716.15
7.3.250.0100.00716.32
7.3.240.0030.01316.27
7.3.230.0190.00016.39
7.3.210.0090.00616.36
7.3.200.0070.01119.39
7.3.190.0090.01216.34
7.3.180.0110.00816.34
7.3.170.0160.00716.27
7.3.160.0110.00716.34
7.3.10.0030.00916.30
7.3.00.0130.00316.36
7.2.330.0160.00016.19
7.2.320.0120.00616.45
7.2.310.0040.01316.53
7.2.300.0080.00816.55
7.2.290.0110.01616.36
7.2.130.0060.00916.32
7.2.120.0120.00816.00
7.2.110.0200.00816.52
7.2.100.0270.00316.48
7.2.90.0110.00716.49
7.2.80.0280.01416.16
7.2.70.0070.01116.50
7.2.60.0050.00916.23
7.2.50.0120.00616.50
7.2.40.0270.00516.13
7.2.30.0100.01016.62
7.2.20.0270.00616.05
7.2.10.0070.01415.89
7.2.00.0180.00616.56
7.1.250.0090.00615.49
7.1.200.0050.00515.78
7.1.70.0000.00717.04
7.1.60.0030.01919.46
7.1.50.0060.01616.93
7.1.00.0070.07322.29
7.0.200.0040.00416.70
7.0.140.0070.05321.91
7.0.60.0000.04320.08
7.0.50.0100.05717.82
7.0.40.0070.07020.24
7.0.30.0330.07320.18
7.0.20.0200.05320.03
7.0.10.0070.04320.19
7.0.00.0170.05320.03
5.6.280.0070.07020.98
5.6.210.0070.07020.54
5.6.200.0070.06018.21
5.6.190.0170.06320.61
5.6.180.0300.08020.58
5.6.170.0270.04720.45
5.6.160.0100.03320.54
5.6.150.0030.04018.16
5.6.140.0070.03718.12
5.6.130.0100.07718.16
5.6.120.0100.05321.09
5.6.110.0130.06720.98
5.6.100.0170.07321.10
5.6.90.0170.07720.96
5.6.80.0100.07020.34
5.5.350.0070.08320.29
5.5.340.0030.07718.03
5.5.330.0100.03720.14
5.5.320.0230.04020.50
5.5.310.0270.06720.17
5.5.300.0100.07717.95
5.5.290.0070.06317.88
5.5.280.0000.04320.68
5.5.270.0170.05320.72
5.5.260.0070.08720.72
5.5.250.0000.04320.58
5.5.240.4170.03720.31
5.4.450.0530.05719.45
5.4.440.0800.05719.55
5.4.430.0100.05319.51
5.4.420.0170.07019.46
5.4.410.0070.05719.31
5.4.400.0100.05319.00
5.4.390.1000.04718.76
5.4.380.1000.05318.51
5.4.370.1000.05318.46
5.4.360.1000.05018.64
5.4.350.1000.06018.76
5.4.340.1000.04718.69
5.4.320.1000.05018.44
5.4.310.0770.06018.51
5.4.300.0870.05018.59
5.4.290.0800.05018.68
5.4.280.0800.04718.57
5.4.270.0770.05018.44
5.4.260.0870.04718.68
5.4.250.0900.06318.72
5.4.240.0770.05718.68
5.4.230.1030.04318.68
5.4.220.0930.05718.63
5.4.210.1100.04318.66
5.4.200.1000.04716.62
5.4.190.0930.05318.49
5.4.180.0800.05318.71
5.4.170.1070.04718.65
5.4.160.0930.05718.70
5.4.150.1070.05718.74
5.4.140.0870.04716.05
5.4.130.0900.04016.18
5.4.120.0830.04716.34
5.4.110.0900.06016.24
5.4.100.0930.05016.18
5.4.90.1030.05716.05
5.4.80.0870.05316.21
5.4.70.0930.05016.00
5.4.60.1030.04316.18
5.4.50.0800.05016.12
5.4.40.0730.05715.99
5.4.30.0770.05316.01
5.4.20.0830.04316.09
5.4.10.0930.05016.14
5.4.00.0970.05015.76
5.3.290.0970.05714.64
5.3.280.0930.05714.58
5.3.270.0970.05314.70
5.3.260.0970.05314.58
5.3.250.1000.05014.55
5.3.240.1000.05014.53
5.3.230.1000.05014.52
5.3.220.0900.06014.52
5.3.210.1000.05714.55
5.3.200.0730.05714.46
5.3.190.0770.05314.54
5.3.180.0900.04314.59
5.3.170.0800.05314.51
5.3.160.0830.05714.55
5.3.150.1030.06014.54
5.3.140.0900.06314.53
5.3.130.0870.05014.49
5.3.120.0900.04314.52
5.3.110.0870.04714.54
5.3.100.0870.05714.02
5.3.90.0770.05714.07
5.3.80.0800.05314.00
5.3.70.0830.05014.00
5.3.60.0870.04713.97
5.3.50.0970.05313.93
5.3.40.0800.05013.91
5.3.30.0770.07713.93
5.3.20.0730.05313.76
5.3.10.0870.04713.69
5.3.00.0830.04313.58
5.2.170.0630.05011.30
5.2.160.0630.05011.14
5.2.150.0670.04311.09
5.2.140.0670.04011.06
5.2.130.0600.04311.25
5.2.120.0800.04011.08
5.2.110.0800.04011.13
5.2.100.0630.04711.07
5.2.90.0670.04311.25
5.2.80.0730.03311.07
5.2.70.0700.04011.15
5.2.60.0670.04010.97
5.2.50.0600.04310.98
5.2.40.0500.04310.92
5.2.30.0600.03311.00
5.2.20.0530.04010.99
5.2.10.0530.04010.86
5.2.00.0700.05010.85
5.1.60.0630.04710.02
5.1.50.0630.03310.00
5.1.40.0500.0379.94
5.1.30.0500.04010.43
5.1.20.0500.04010.41
5.1.10.0670.03310.13
5.1.00.0570.04010.09
5.0.50.0300.0278.54
5.0.40.0230.0338.46
5.0.30.0230.0478.34
5.0.20.0300.0338.22
5.0.10.0330.0278.24
5.0.00.0270.0508.19
4.4.90.0300.0175.92
4.4.80.0300.0235.88
4.4.70.0330.0205.89
4.4.60.0330.0205.91
4.4.50.0300.0235.89
4.4.40.0270.0335.86
4.4.30.0400.0275.90
4.4.20.0200.0205.96
4.4.10.0130.0205.97
4.4.00.0200.0305.87
4.3.110.0630.0175.86
4.3.100.0370.0205.79
4.3.90.0430.0235.79
4.3.80.0230.0305.79
4.3.70.0130.0235.83
4.3.60.0300.0275.76
4.3.50.0270.0205.86
4.3.40.0300.0375.78
4.3.30.0130.0234.56
4.3.20.0130.0234.51
4.3.10.0130.0234.52
4.3.00.0030.0238.65

preferences:
54.42 ms | 401 KiB | 5 Q