3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(0); function f($s){for($i=-($l=strlen($s));$i<$l;$I=abs(++$i)){$t=substr($s,$I);echo str_repeat(' ',$I).strrev($t).substr($t,1)."\n";}} echo "------------\n"; f(" desserts"); echo "------------\n";

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)
8.3.60.0120.00316.63
8.3.50.0120.00618.37
8.3.40.0150.00018.80
8.3.30.0030.01018.84
8.3.20.0000.00720.16
8.3.10.0040.00421.68
8.3.00.0060.00317.89
8.2.180.0090.00916.63
8.2.170.0150.00322.96
8.2.160.0070.00722.96
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0110.00826.16
8.2.120.0030.00521.03
8.2.110.0000.01021.00
8.2.100.0040.00717.91
8.2.90.0050.00319.24
8.2.80.0000.00917.97
8.2.70.0030.00517.75
8.2.60.0030.00618.00
8.2.50.0040.00418.10
8.2.40.0030.00320.59
8.2.30.0040.00418.12
8.2.20.0000.00717.80
8.2.10.0080.00018.10
8.2.00.0080.00017.73
8.1.280.0070.01025.92
8.1.270.0040.00424.02
8.1.260.0060.00326.35
8.1.250.0050.00328.09
8.1.240.0060.00321.03
8.1.230.0000.01117.77
8.1.220.0060.00317.76
8.1.210.0100.00018.77
8.1.200.0060.00317.35
8.1.190.0060.00317.35
8.1.180.0030.00618.10
8.1.170.0080.00018.50
8.1.160.0040.00422.05
8.1.150.0070.00318.96
8.1.140.0000.00817.36
8.1.130.0040.00417.36
8.1.120.0030.00417.35
8.1.110.0030.00617.43
8.1.100.0070.00017.23
8.1.90.0000.00717.35
8.1.80.0040.00417.38
8.1.70.0000.00717.38
8.1.60.0040.00417.53
8.1.50.0000.00717.40
8.1.40.0080.00017.46
8.1.30.0080.00017.65
8.1.20.0090.00017.63
8.1.10.0050.00217.37
8.1.00.0040.00717.50
8.0.300.0000.00918.77
8.0.290.0060.00316.75
8.0.280.0000.00718.37
8.0.270.0030.00316.89
8.0.260.0060.00016.79
8.0.250.0070.00016.93
8.0.240.0040.00416.99
8.0.230.0000.00716.91
8.0.220.0020.00516.93
8.0.210.0030.00316.85
8.0.200.0000.00817.06
8.0.190.0000.00717.02
8.0.180.0030.00516.86
8.0.170.0000.00817.00
8.0.160.0070.00016.99
8.0.150.0030.00516.81
8.0.140.0030.00316.78
8.0.130.0040.00413.36
8.0.120.0040.00416.80
8.0.110.0050.00316.84
8.0.100.0070.00016.83
8.0.90.0030.00516.84
8.0.80.0070.01716.92
8.0.70.0040.00416.96
8.0.60.0000.00716.93
8.0.50.0000.00716.97
8.0.30.0140.00417.06
8.0.20.0080.01117.40
8.0.10.0000.00717.06
8.0.00.0110.00816.79
7.4.330.0000.00515.14
7.4.320.0030.00316.64
7.4.300.0060.00016.50
7.4.290.0000.00716.58
7.4.280.0000.00816.34
7.4.270.0030.00316.61
7.4.260.0070.00016.57
7.4.250.0030.00516.57
7.4.240.0020.00516.46
7.4.230.0000.00716.57
7.4.220.0100.00616.50
7.4.210.0110.00616.59
7.4.200.0070.00016.40
7.4.160.0140.00416.61
7.4.150.0100.01417.40
7.4.140.0080.00917.86
7.4.130.0130.00616.42
7.4.120.0090.00716.44
7.4.110.0100.01316.63
7.4.100.0150.00316.48
7.4.90.0070.01016.61
7.4.80.0180.00819.39
7.4.70.0130.00316.69
7.4.60.0060.00916.44
7.4.50.0040.00016.43
7.4.40.0060.01016.65
7.4.30.0030.02216.56
7.4.00.0070.00714.93
7.3.330.0000.00513.22
7.3.320.0050.00013.40
7.3.310.0030.00316.29
7.3.300.0030.00316.43
7.3.290.0000.00716.37
7.3.280.0050.01416.41
7.3.270.0040.01217.40
7.3.260.0040.01316.40
7.3.250.0010.01716.37
7.3.240.0000.01716.66
7.3.230.0140.00316.59
7.3.210.0210.00016.43
7.3.200.0100.00719.39
7.3.190.0190.00316.61
7.3.180.0070.00716.42
7.3.170.0080.00716.29
7.3.160.0120.00316.46
7.3.120.0100.00714.64
7.3.110.0090.00415.00
7.3.100.0000.01415.11
7.3.90.0100.00614.70
7.3.80.0100.00614.87
7.3.70.0080.00314.92
7.3.60.0060.00315.00
7.3.50.0030.01014.77
7.3.40.0030.01314.75
7.3.30.0040.01414.77
7.3.20.0000.01416.66
7.3.10.0030.01016.83
7.3.00.0130.00316.89
7.2.330.0210.00316.76
7.2.320.0130.00916.68
7.2.310.0110.00716.75
7.2.300.0040.01216.72
7.2.290.0080.01116.75
7.2.250.0100.00315.05
7.2.240.0100.01015.20
7.2.230.0000.01614.76
7.2.220.0000.01514.96
7.2.210.0040.01115.16
7.2.200.0100.00315.06
7.2.190.0060.00914.69
7.2.180.0040.01515.02
7.2.170.0030.01015.13
7.2.60.0040.01116.98
7.2.00.0030.00919.56
7.1.330.0070.00715.32
7.1.320.0040.01115.73
7.1.310.0040.01115.88
7.1.300.0000.01415.49
7.1.290.0060.01015.88
7.1.280.0070.01015.63
7.1.270.0090.00615.65
7.1.260.0060.00615.86
7.1.200.0030.00915.82
7.1.100.0000.01318.14
7.1.70.0030.00317.29
7.1.60.0000.02219.29
7.1.50.0040.01616.73
7.1.00.0070.07322.40
7.0.200.0000.00716.89
7.0.140.0030.05322.00
7.0.60.0630.04720.02
7.0.50.0070.07317.79
7.0.40.0100.07720.06
7.0.30.0200.04320.26
7.0.20.0270.03720.29
7.0.10.0070.08320.25
7.0.00.0030.07320.08
5.6.280.0100.06320.90
5.6.210.0230.07320.66
5.6.200.0000.05018.29
5.6.190.0030.08020.48
5.6.180.0270.07320.61
5.6.170.0200.04320.54
5.6.160.0130.07720.52
5.6.150.0030.04318.27
5.6.140.0070.08318.28
5.6.130.0130.07318.18
5.6.120.0070.03721.01
5.6.110.0030.05021.12
5.6.100.0000.06321.05
5.6.90.0070.06021.01
5.6.80.0030.08020.38
5.5.350.0230.07720.41
5.5.340.0100.07717.96
5.5.330.0070.08320.41
5.5.320.0270.04720.31
5.5.310.0370.07020.27
5.5.300.0000.06018.10
5.5.290.0130.07717.97
5.5.280.0030.07320.66
5.5.270.0070.08720.64
5.5.260.0070.07320.76
5.5.250.0100.03320.78
5.5.240.0170.05020.19
5.4.450.0530.06019.33
5.4.440.0430.05019.32
5.4.430.0270.05719.44
5.4.420.0430.06019.41
5.4.410.0470.06019.41
5.4.400.0370.05319.01
5.4.390.0200.06718.89
5.4.380.0400.05719.12
5.4.370.0270.07019.27
5.4.360.0430.05019.13
5.4.350.0430.05019.13
5.4.340.1000.05719.12
5.4.320.1200.04719.27
5.4.310.1570.07719.09
5.4.300.1130.04319.12
5.4.290.0900.05719.02
5.4.280.1130.07318.89
5.4.270.1500.06019.23
5.4.260.1670.07019.09
5.4.250.1470.06719.13
5.4.240.0930.07018.93
5.4.230.1270.05719.20
5.4.220.1200.06019.08
5.4.210.1130.06319.11
5.4.200.1670.07319.17
5.4.190.1330.05718.93
5.4.180.1330.05319.12
5.4.170.1330.06318.93
5.4.160.1570.05719.23
5.4.150.1030.06019.18
5.4.140.0800.06716.35
5.4.130.0900.05016.32
5.4.120.0200.05016.38
5.4.110.1470.04316.53
5.4.100.1270.05016.57
5.4.90.1470.04716.50
5.4.80.1170.05716.47
5.4.70.1230.06016.55
5.4.60.1600.04716.54
5.4.50.1100.05016.46
5.4.40.1830.04716.56
5.4.30.1100.06016.39
5.4.20.1770.05716.20
5.4.10.1400.06316.50
5.4.00.1770.05715.87
5.3.290.1700.07314.61
5.3.280.1170.05014.70
5.3.270.1270.06014.52
5.3.260.2030.07714.46
5.3.250.1300.05714.52
5.3.240.1530.05314.64
5.3.230.0030.05314.61
5.3.220.1270.04314.42
5.3.210.0630.06314.44
5.3.200.1500.05314.52
5.3.190.1200.05014.64
5.3.180.2130.06014.65
5.3.170.1270.05314.42
5.3.160.1670.07014.59
5.3.150.1470.06014.56
5.3.140.1500.05714.61
5.3.130.1370.05714.54
5.3.120.1730.06014.53
5.3.110.2230.08014.60
5.3.100.1700.05713.96
5.3.90.1930.06314.00
5.3.80.2130.06313.98
5.3.70.2070.07014.08
5.3.60.1400.06714.01
5.3.50.1400.04713.93
5.3.40.1030.05314.00
5.3.30.1100.05013.82
5.3.20.1330.03713.68
5.3.10.1170.05313.76
5.3.00.1600.06013.74
5.2.170.0900.04711.04
5.2.160.1200.04011.13
5.2.150.0900.03711.03
5.2.140.1100.04011.00
5.2.130.0930.04311.07
5.2.120.0870.04011.00
5.2.110.1030.04311.07
5.2.100.1000.03711.08
5.2.90.1170.03711.08
5.2.80.1070.03711.04
5.2.70.1030.04311.14
5.2.60.1070.04311.03
5.2.50.1170.04011.09
5.2.40.0830.04010.92
5.2.30.0900.04011.05
5.2.20.0900.04010.96
5.2.10.1030.03710.82
5.2.00.1030.05010.73
5.1.60.1170.03710.08
5.1.50.1770.0379.96
5.1.40.0800.0339.96
5.1.30.0830.04310.20
5.1.20.0830.03310.45
5.1.10.1130.0439.91
5.1.00.0970.04010.13
5.0.50.0630.0238.39
5.0.40.0470.0338.38
5.0.30.0430.0408.32
5.0.20.0630.0338.25
5.0.10.0370.0338.23
5.0.00.0200.0438.21
4.4.90.0400.0177.73
4.4.80.0430.0237.73
4.4.70.0400.0277.73
4.4.60.0470.0237.73
4.4.50.0430.0207.73
4.4.40.0570.0337.73
4.4.30.0370.0207.73
4.4.20.0400.0277.73
4.4.10.0400.0307.73
4.4.00.0400.0337.73
4.3.110.0370.0277.73
4.3.100.0270.0307.69
4.3.90.0400.0207.69
4.3.80.0500.0337.69
4.3.70.0600.0177.69
4.3.60.0370.0207.69
4.3.50.0370.0177.69
4.3.40.0300.0407.69
4.3.30.0230.0307.69
4.3.20.0370.0237.69
4.3.10.0270.0237.69
4.3.00.0170.0237.69

preferences:
61.7 ms | 400 KiB | 5 Q