3v4l.org

run code in 300+ PHP versions simultaneously
<?php function CE50($CEINPUT) { $CE50 = $CEINPUT; $CE50 = str_replace("a", ")`", $CE50); $CE50 = str_replace("b", "(~", $CE50); $CE50 = str_replace("c", "*`", $CE50); $CE50 = str_replace("d", "&~", $CE50); $CE50 = strrev(substr($CE50, 0, 50)); return $CE50; } echo CE50("abccbaaabc"); ?>

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)
8.3.60.0100.01018.18
8.3.50.0120.00722.05
8.3.40.0110.00318.71
8.3.30.0100.00318.93
8.3.20.0040.00420.20
8.3.10.0050.00322.10
8.3.00.0050.00322.37
8.2.180.0120.00318.42
8.2.170.0100.01022.96
8.2.160.0120.00620.84
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0030.01026.16
8.2.120.0060.00318.99
8.2.110.0030.00622.07
8.2.100.0040.00719.32
8.2.90.0070.00019.05
8.2.80.0080.00417.97
8.2.70.0040.00417.48
8.2.60.0050.00317.80
8.2.50.0040.00418.07
8.2.40.0040.00418.04
8.2.30.0000.00817.99
8.2.20.0050.00217.68
8.2.10.0000.00819.39
8.2.00.0000.00817.50
8.1.280.0100.00325.92
8.1.270.0040.00422.19
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.84
8.1.230.0140.00019.14
8.1.220.0000.00817.78
8.1.210.0040.00418.77
8.1.200.0090.00017.35
8.1.190.0000.00817.53
8.1.180.0030.00618.10
8.1.170.0050.00318.55
8.1.160.0040.00421.99
8.1.150.0040.00418.59
8.1.140.0000.00817.44
8.1.130.0040.00417.84
8.1.120.0040.00317.44
8.1.110.0040.00417.41
8.1.100.0000.00717.44
8.1.90.0000.00717.28
8.1.80.0060.00317.27
8.1.70.0030.00317.32
8.1.60.0050.00317.48
8.1.50.0040.00417.52
8.1.40.0000.00717.52
8.1.30.0030.00617.52
8.1.20.0060.00317.67
8.1.10.0000.00717.46
8.1.00.0040.00417.41
8.0.300.0000.00818.77
8.0.290.0040.00417.18
8.0.280.0000.00718.44
8.0.270.0030.00317.22
8.0.260.0030.00316.83
8.0.250.0000.00717.00
8.0.240.0070.00016.97
8.0.230.0030.00316.92
8.0.220.0040.00416.73
8.0.210.0030.00316.83
8.0.200.0030.00316.79
8.0.190.0030.00516.77
8.0.180.0040.00416.76
8.0.170.0040.00416.75
8.0.160.0040.00416.81
8.0.150.0000.00716.76
8.0.140.0040.00416.79
8.0.130.0030.00313.24
8.0.120.0050.00316.83
8.0.110.0030.00616.87
8.0.100.0030.00316.91
8.0.90.0040.00416.89
8.0.80.0110.00816.73
8.0.70.0040.00416.84
8.0.60.0040.00416.71
8.0.50.0040.00416.73
8.0.30.0070.01317.17
8.0.20.0120.01017.40
8.0.10.0040.00417.00
8.0.00.0080.01016.57
7.4.330.0030.00315.00
7.4.320.0060.00016.57
7.4.300.0000.00716.42
7.4.290.0040.00416.51
7.4.280.0030.00316.45
7.4.270.0040.00416.53
7.4.260.0030.00316.49
7.4.250.0040.00416.41
7.4.240.0050.00216.55
7.4.230.0000.00716.27
7.4.220.0150.00416.55
7.4.210.0040.01116.59
7.4.200.0040.00416.70
7.4.190.0000.00716.56
7.4.160.0120.00816.54
7.4.150.0120.01117.40
7.4.140.0100.01117.86
7.4.130.0100.00716.64
7.4.120.0110.00616.58
7.4.110.0130.00316.58
7.4.100.0100.01316.57
7.4.90.0070.01016.42
7.4.80.0060.01019.39
7.4.70.0100.01316.48
7.4.60.0130.00316.44
7.4.50.0000.00616.47
7.4.40.0040.00822.77
7.4.30.0090.00916.68
7.4.00.0040.00714.98
7.3.330.0000.00513.26
7.3.320.0000.00513.38
7.3.310.0000.00716.14
7.3.300.0040.00416.22
7.3.290.0110.00516.29
7.3.280.0060.01216.31
7.3.270.0040.01317.40
7.3.260.0060.01216.63
7.3.250.0160.00216.57
7.3.240.0100.00716.30
7.3.230.0110.01116.53
7.3.210.0070.01016.66
7.3.200.0060.01819.39
7.3.190.0180.00416.25
7.3.180.0060.00916.59
7.3.170.0000.01616.30
7.3.160.0130.01016.32
7.3.120.0040.00814.52
7.2.330.0120.00416.70
7.2.320.0060.01216.64
7.2.310.0140.00316.45
7.2.300.0040.01216.67
7.2.290.0030.01916.37
7.2.00.0060.00619.43
7.1.200.0030.00715.77
7.1.100.0000.01418.07
7.1.70.0070.00317.17
7.1.60.0100.01419.82
7.1.50.0040.01116.72
7.1.00.0070.07022.33
7.0.200.0040.00416.74
7.0.140.0070.07322.09
7.0.60.0000.05020.07
7.0.50.0030.04317.94
7.0.40.0170.07720.02
7.0.30.0500.07020.06
7.0.20.0170.04720.08
7.0.10.0030.08020.26
7.0.00.0130.07720.05
5.6.280.0070.07020.82
5.6.210.0100.07020.70
5.6.200.0100.03318.23
5.6.190.0100.07020.64
5.6.180.0270.07720.41
5.6.170.0270.08020.71
5.6.160.0100.05320.50
5.6.150.0070.08018.25
5.6.140.0070.08018.11
5.6.130.0170.07718.18
5.6.120.0100.04321.01
5.6.110.0170.07721.12
5.6.100.0170.07320.98
5.6.90.0170.07721.04
5.6.80.0170.06020.51
5.5.350.0070.08320.43
5.5.340.0070.06717.98
5.5.330.0070.07320.37
5.5.320.0100.07720.30
5.5.310.0230.04020.28
5.5.300.0100.07717.98
5.5.290.0070.08317.97
5.5.280.0200.07020.87
5.5.270.0000.04720.89
5.5.260.0100.08020.79
5.5.250.0070.08320.78
5.5.240.0300.06320.04
5.4.450.0530.06019.61
5.4.440.0700.06719.59
5.4.430.0970.04719.42
5.4.420.0770.07319.55
5.4.410.0700.07319.47
5.4.400.0700.05319.16
5.4.390.0930.08019.27
5.4.380.0170.06318.78
5.4.370.0170.07018.74
5.4.360.0630.04318.70
5.4.350.0270.05318.54
5.4.340.0230.05018.74
5.4.320.0040.03712.50
5.4.310.0120.03912.50
5.4.300.0080.03512.51
5.4.290.0100.04212.50
5.4.280.0070.04412.39
5.4.270.0130.06718.99
5.4.260.0130.07019.04
5.4.250.0070.05719.05
5.4.240.0100.05719.10
5.4.230.0070.06019.10
5.4.220.0200.07019.05
5.4.210.0100.07719.06
5.4.200.0170.05718.99
5.4.190.0200.06318.87
5.4.180.0070.06018.89
5.4.170.0170.06318.88
5.4.160.0130.06718.79
5.4.150.0230.05018.95
5.4.140.0130.07016.57
5.4.130.0070.05716.45
5.4.120.0200.05016.46
5.4.110.0100.06316.67
5.4.100.0170.07016.66
5.4.90.0070.06316.64
5.4.80.0030.05716.39
5.4.70.0100.07016.62
5.4.60.0100.06316.43
5.4.50.0130.05016.43
5.4.40.0100.05716.59
5.4.30.0030.05716.48
5.4.20.0070.06316.44
5.4.10.0100.06016.61
5.4.00.0130.07016.03
5.3.290.0070.04712.80
5.3.280.0200.04314.59
5.3.270.0070.06014.66
5.3.260.0170.06014.62
5.3.250.0070.08014.88
5.3.240.0070.07714.89
5.3.230.0030.06314.59
5.3.220.0100.05314.86
5.3.210.0130.05014.57
5.3.200.0200.05714.83
5.3.190.0200.07014.86
5.3.180.0100.07314.84
5.3.170.0070.05714.68
5.3.160.0070.05714.75
5.3.150.0070.05714.73
5.3.140.0100.05314.82
5.3.130.0030.07714.73
5.3.120.0070.07014.61
5.3.110.0100.05714.60
5.3.100.0100.05314.32
5.3.90.0070.05014.13
5.3.80.0070.05314.30
5.3.70.0200.04714.32
5.3.60.0170.04314.05
5.3.50.0070.07314.23
5.3.40.0030.06014.02
5.3.30.0100.04714.09
5.3.20.0170.04013.87
5.3.10.0130.05313.77
5.3.00.0100.06013.83
5.2.170.0100.04711.36
5.2.160.0100.04711.44
5.2.150.0070.06311.42
5.2.140.0130.06011.31
5.2.130.0030.05311.35
5.2.120.0070.04711.27
5.2.110.0100.04311.38
5.2.100.0130.05311.27
5.2.90.0170.04711.30
5.2.80.0030.06311.37
5.2.70.0030.04711.14
5.2.60.0200.04711.11
5.2.50.0100.04011.02
5.2.40.0070.04311.12
5.2.30.0070.04711.14
5.2.20.0100.05310.83
5.2.10.0100.04311.13
5.2.00.0030.04710.98
5.1.60.0030.04010.39
5.1.50.0130.04010.39
5.1.40.0170.03010.39
5.1.30.0070.03710.63
5.1.20.0200.02310.39
5.1.10.0000.05710.39
5.1.00.0070.03710.39
5.0.50.0000.04010.39
5.0.40.0100.02710.39
5.0.30.0030.04310.39
5.0.20.0100.02310.39
5.0.10.0100.02310.39
5.0.00.0130.04010.39
4.4.90.0070.02010.39
4.4.80.0030.03710.39
4.4.70.0070.02010.39
4.4.60.0070.02310.39
4.4.50.0030.02310.39
4.4.40.0030.05010.39
4.4.30.0000.03310.39
4.4.20.0000.03310.39
4.4.10.0070.02710.39
4.4.00.0000.03710.39
4.3.110.0030.03010.39
4.3.100.0030.02010.39
4.3.90.0030.02710.39
4.3.80.0030.03710.39
4.3.70.0000.02710.39
4.3.60.0030.02310.39
4.3.50.0030.02710.39
4.3.40.0000.03710.39
4.3.30.0070.02310.39
4.3.20.0030.02710.39
4.3.10.0000.02310.39
4.3.00.0070.0237.16

preferences:
61.33 ms | 401 KiB | 5 Q