3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string1 = 'abcdefghijklmonpqrst'; for($i = 1; $i <= 200000; $i++) { $x=$i * 5; $x=$x + $x; $x=$x/10; $string3 = $string1 . strrev($string1); $string2 = substr($string1, 9, 1) . substr($string1, 0, 9); $string1 = $string2; } ?>

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)
8.3.60.0100.04118.29
8.3.50.0100.05322.03
8.3.40.0100.04118.66
8.3.30.0130.03718.50
8.3.20.0000.02818.51
8.3.10.0060.02121.08
8.3.00.0130.04021.88
8.2.180.0100.04816.50
8.2.170.0100.04122.96
8.2.160.0070.04320.47
8.2.150.0070.02024.18
8.2.140.0030.02424.66
8.2.130.0000.02726.16
8.2.120.0000.02720.91
8.2.110.0030.04320.27
8.2.100.0100.02917.78
8.2.90.0030.03219.27
8.2.80.0030.03218.05
8.2.70.0030.03417.63
8.2.60.0070.03017.80
8.2.50.0070.03418.07
8.2.40.0030.03117.91
8.2.30.0000.03721.13
8.2.20.0030.03317.57
8.2.10.0000.03817.76
8.2.00.0000.04417.70
8.1.280.0070.04725.92
8.1.270.0030.02323.99
8.1.260.0130.04026.35
8.1.250.0000.02728.09
8.1.240.0030.04422.48
8.1.230.0070.03320.68
8.1.220.0000.04518.77
8.1.210.0060.03118.89
8.1.200.0060.03517.36
8.1.190.0030.03319.30
8.1.180.0070.03018.10
8.1.170.0030.03118.54
8.1.160.0030.03318.86
8.1.150.0030.03118.58
8.1.140.0000.03717.39
8.1.130.0030.03117.88
8.1.120.0030.03317.37
8.1.110.0030.03417.42
8.1.100.0000.03617.33
8.1.90.0060.02917.45
8.1.80.0030.03317.44
8.1.70.0060.02817.40
8.1.60.0030.04217.55
8.1.50.0000.04417.29
8.1.40.0000.04417.39
8.1.30.0070.03817.65
8.1.20.0000.04417.54
8.1.10.0030.04217.40
8.1.00.0030.04717.46
8.0.300.0060.03220.02
8.0.290.0100.02617.30
8.0.280.0060.02918.42
8.0.270.0000.03616.68
8.0.260.0030.03116.73
8.0.250.0030.03016.93
8.0.240.0030.03316.96
8.0.230.0000.03716.98
8.0.220.0060.03216.88
8.0.210.0030.03316.89
8.0.200.0070.02816.80
8.0.190.0000.04417.00
8.0.180.0000.04416.90
8.0.170.0000.04516.79
8.0.160.0030.04016.88
8.0.150.0000.04516.84
8.0.140.0090.03516.82
8.0.130.0030.03913.30
8.0.120.0030.04116.80
8.0.110.0000.04416.94
8.0.100.0090.03516.76
8.0.90.0060.03716.91
8.0.80.0030.05716.88
8.0.70.0000.04416.86
8.0.60.0070.03916.94
8.0.50.0070.03816.88
8.0.30.0130.04917.06
8.0.20.0100.06517.40
8.0.10.0030.04016.84
8.0.00.0130.07716.87
7.4.330.0000.03314.89
7.4.320.0060.02916.45
7.4.300.0070.02916.64
7.4.290.0030.04116.65
7.4.280.0070.03916.58
7.4.270.0030.04016.52
7.4.260.0030.04013.17
7.4.250.0000.04616.46
7.4.240.0030.04316.48
7.4.230.0090.03516.42
7.4.220.0100.08116.51
7.4.210.0100.06016.48
7.4.200.0030.04316.34
7.4.190.0030.04616.57
7.4.160.0160.05216.46
7.4.150.0200.06317.40
7.4.140.0080.05317.86
7.4.130.0060.06716.41
7.4.120.0050.07016.43
7.4.110.0100.05116.53
7.4.100.0100.05816.42
7.4.90.0130.05316.33
7.4.80.0000.06219.39
7.4.70.0030.05816.43
7.4.60.0070.06216.41
7.4.50.0030.05516.23
7.4.40.0070.08022.77
7.4.30.0060.05616.54
7.4.00.0050.09714.84
7.3.330.0070.03913.11
7.3.320.0000.04513.03
7.3.310.0030.04216.38
7.3.300.0000.04616.34
7.3.290.0030.05916.27
7.3.280.0080.06816.31
7.3.270.0070.06017.40
7.3.260.0110.06918.24
7.3.250.0100.05616.33
7.3.240.0160.04916.34
7.3.230.0100.05516.39
7.3.210.0130.05816.42
7.3.200.0180.06919.39
7.3.190.0090.05316.48
7.3.180.0130.05916.60
7.3.170.0100.05716.63
7.3.160.0100.05016.50
7.3.120.0080.08714.71
7.3.110.0030.10115.10
7.3.100.0030.08014.72
7.3.90.0020.07814.71
7.3.80.0070.07814.78
7.3.70.0050.07714.72
7.3.60.0080.07814.94
7.3.50.0030.08214.84
7.3.40.0030.08214.68
7.3.30.0080.09414.71
7.3.20.0030.08316.70
7.3.10.0110.07916.70
7.3.00.0050.07716.58
7.2.330.0060.06016.68
7.2.320.0000.09916.78
7.2.310.0120.09816.68
7.2.300.0070.05916.75
7.2.290.0100.06416.34
7.2.250.0070.09014.81
7.2.240.0030.09415.04
7.2.230.0020.10615.09
7.2.220.0070.08915.14
7.2.210.0050.08215.21
7.2.200.0110.07715.04
7.2.190.0070.08114.94
7.2.180.0050.08415.03
7.2.170.0030.09914.86
7.2.160.0030.08514.80
7.2.150.0030.08716.66
7.2.140.0070.08016.57
7.2.130.0040.08716.86
7.2.120.0100.07816.88
7.2.110.0080.08516.90
7.2.100.0100.08316.79
7.2.90.0080.07816.95
7.2.80.0030.08516.80
7.2.70.0070.08416.83
7.2.60.0030.08416.89
7.2.50.0070.08216.81
7.2.40.0100.07916.91
7.2.30.0090.08216.84
7.2.20.0070.08316.95
7.2.10.0090.08316.89
7.2.00.0060.08316.80
7.1.330.0080.11516.00
7.1.320.0030.11915.96
7.1.310.0030.11315.85
7.1.300.0030.11215.78
7.1.290.0030.12415.93
7.1.280.0070.11515.68
7.1.270.0070.13315.88
7.1.260.0080.10715.75
7.1.250.0090.11015.76
7.1.240.0030.11015.71
7.1.230.0100.11115.93
7.1.220.0100.11215.89
7.1.210.0070.11015.84
7.1.200.0070.10715.79
7.1.190.0100.12015.83
7.1.180.0170.11315.96
7.1.170.0030.10815.51
7.1.160.0070.11715.78
7.1.150.0100.11315.98
7.1.140.0030.11615.60
7.1.130.0130.11415.71
7.1.120.0100.11015.88
7.1.110.0070.11915.63
7.1.100.0030.11715.72
7.1.90.0000.11715.80
7.1.80.0100.12115.61
7.1.70.0050.08016.33
7.1.60.0070.10317.59
7.1.50.0020.10816.38
7.1.40.0070.11215.76
7.1.30.0130.10615.87
7.1.20.0130.10515.87
7.1.10.0100.11115.88
7.1.00.0070.12019.01
7.0.330.0000.11115.38
7.0.320.0000.12115.48
7.0.310.0130.10615.33
7.0.300.0130.11615.06
7.0.290.0070.11315.50
7.0.280.0100.10415.54
7.0.270.0070.11515.47
7.0.260.0100.11015.50
7.0.250.0100.10915.50
7.0.240.0100.11715.34
7.0.230.0030.12315.51
7.0.220.0030.11415.43
7.0.210.0100.10915.52
7.0.200.0030.08116.17
7.0.190.0130.10915.22
7.0.180.0100.10915.21
7.0.170.0070.11015.25
7.0.160.0100.11215.48
7.0.150.0130.10915.50
7.0.140.0050.13718.76
7.0.130.0000.12015.32
7.0.120.0130.10915.53
7.0.110.0050.12517.70
7.0.100.0120.12017.72
7.0.90.0050.12417.67
7.0.80.0070.11817.66
7.0.70.0080.11917.49
7.0.60.0070.11517.48
7.0.50.0020.14217.81
7.0.40.0030.13116.57
7.0.30.0070.12416.56
7.0.20.0050.12316.60
7.0.10.0050.12716.47
7.0.00.0080.12416.59
5.6.380.0030.21014.48
5.6.370.0070.20214.20
5.6.360.0030.20414.59
5.6.350.0070.20414.32
5.6.340.0000.21014.27
5.6.330.0000.21414.39
5.6.320.0030.20614.09
5.6.310.0070.20914.51
5.6.300.0000.21014.66
5.6.290.0070.20214.29
5.6.280.0020.22117.78
5.6.270.0030.21014.33
5.6.260.0050.19717.24
5.6.250.0100.19417.53
5.6.240.0080.19217.36
5.6.230.0080.20317.58
5.6.220.0030.17617.50
5.6.210.0070.19017.41
5.6.200.0070.19217.30
5.6.190.0030.18817.41
5.6.180.0070.19517.39
5.6.170.0050.19817.40
5.6.160.0050.19417.32
5.6.150.0070.18517.55
5.6.140.0080.19917.45
5.6.130.0080.19017.45
5.6.120.0070.20317.47
5.6.110.0080.20117.64
5.6.100.0150.18317.57
5.6.90.0020.18717.26
5.6.80.0070.19517.09
5.6.70.0080.18917.16
5.6.60.0050.19217.02
5.6.50.0080.20017.27
5.6.40.0030.16916.96
5.6.30.0020.21617.29
5.6.20.0050.21117.06
5.6.10.0050.20716.95
5.6.00.0050.19717.03
5.5.380.0130.19215.77
5.5.370.0030.20115.77
5.5.360.0120.19215.71
5.5.350.0120.18915.82
5.5.340.0070.20116.08
5.5.330.0050.21016.07
5.5.320.0070.19716.04
5.5.310.0230.16215.93
5.5.300.0050.17215.97
5.5.290.0080.17716.01
5.5.280.0070.19316.01
5.5.270.0100.19215.98
5.5.260.0020.19116.08
5.5.250.0030.20315.97
5.5.240.0080.20315.79
5.5.230.0050.19615.63
5.5.220.0050.18815.69
5.5.210.0020.21615.73
5.5.200.0030.21615.78
5.5.190.0070.17215.71
5.5.180.0120.20715.66
5.5.170.0130.20311.18
5.5.160.0070.19915.65
5.5.150.0050.20315.66
5.5.140.0080.18715.73
5.5.130.0050.18315.74
5.5.120.0070.19115.74
5.5.110.0030.17315.77
5.5.100.0080.19815.69
5.5.90.0050.16915.64
5.5.80.0130.18315.68
5.5.70.0030.16915.60
5.5.60.0030.19015.63
5.5.50.0080.19315.57
5.5.40.0070.19115.67
5.5.30.0080.19515.59
5.5.20.0060.19615.62
5.5.10.0120.18515.61
5.5.00.0070.18815.61
5.4.450.0070.17815.26
5.4.440.0070.20215.26
5.4.430.0030.18615.24
5.4.420.0070.19615.31
5.4.410.0080.16815.19
5.4.400.0050.19915.05
5.4.390.0030.19615.10
5.4.380.0030.20615.10
5.4.370.0050.21415.06
5.4.360.0070.20215.05
5.4.350.0070.17615.17
5.4.340.0050.19715.13
5.4.330.0070.21011.18
5.4.320.0030.20815.22
5.4.310.0070.20615.10
5.4.300.0080.17815.08
5.4.290.0120.18215.13
5.4.280.0050.18915.08
5.4.270.0030.17015.10
5.4.260.0050.19915.06
5.4.250.0050.20915.06
5.4.240.0050.19915.10
5.4.230.0020.20115.12
5.4.220.0030.18315.10
5.4.210.0070.20615.10
5.4.200.0050.18715.17
5.4.190.0070.19015.14
5.4.180.0080.20215.09
5.4.170.0020.19115.12
5.4.160.0080.19815.21
5.4.150.0070.20215.08
5.4.140.0020.17913.79
5.4.130.0030.19613.66
5.4.120.0050.17313.67
5.4.110.0030.20313.88
5.4.100.0050.18713.79
5.4.90.0070.18213.82
5.4.80.0050.18013.67
5.4.70.0070.20513.82
5.4.60.0050.20613.79
5.4.50.0050.20913.64
5.4.40.0020.20313.85
5.4.30.0070.21813.83
5.4.20.0030.21213.77
5.4.10.0030.20913.69
5.4.00.0100.19913.39
5.3.290.0050.21212.93
5.3.280.0020.22712.82
5.3.270.0000.22112.84
5.3.260.0070.21212.86
5.3.250.0030.22212.86
5.3.240.0070.21512.94
5.3.230.0100.22112.86
5.3.220.0080.21912.88
5.3.210.0070.22512.80
5.3.200.0030.19112.84
5.3.190.0080.22612.83
5.3.180.0070.22612.82
5.3.170.0030.21812.84
5.3.160.0050.20412.88
5.3.150.0030.24112.87
5.3.140.0050.25012.79
5.3.130.0050.24012.76
5.3.120.0050.22612.83
5.3.110.0080.21912.83
5.3.100.0030.24112.62
5.3.90.0300.20212.54
5.3.80.0080.22612.52
5.3.70.0070.19112.53
5.3.60.0030.20712.54
5.3.50.0050.20112.50
5.3.40.0020.21112.52
5.3.30.0030.23812.57
5.3.20.0030.21812.47
5.3.10.0030.20512.35
5.3.00.0020.20212.32
5.2.170.0030.18311.54
5.2.160.0030.21511.54
5.2.150.0070.20111.54
5.2.140.0030.21011.54
5.2.130.0030.18611.54
5.2.120.0030.18011.54
5.2.110.0030.20011.54
5.2.100.0000.19911.54
5.2.90.0030.20611.54
5.2.80.0020.18911.54
5.2.70.0070.20011.54
5.2.60.0030.18211.54
5.2.50.0000.19511.54
5.2.40.0000.17911.54
5.2.30.0030.18811.54
5.2.20.0030.20411.54
5.2.10.0030.19011.54
5.2.00.0020.18211.54
5.1.60.0030.17911.54
5.1.50.0030.18011.54
5.1.40.0000.21311.54
5.1.30.0020.21611.54
5.1.20.0050.16711.54
5.1.10.0020.17211.54
5.1.00.0050.20811.54
5.0.50.0030.36211.54
5.0.40.0000.34611.54
5.0.30.0030.36811.54
5.0.20.0030.37711.54
5.0.10.0070.34211.54
5.0.00.0070.34611.54
4.4.90.0030.33511.54
4.4.80.0000.34311.54
4.4.70.0020.36011.54
4.4.60.0000.34711.54
4.4.50.0000.36611.54
4.4.40.0000.34811.54
4.4.30.0020.36211.54
4.4.20.0070.37511.54
4.4.10.0020.35111.54
4.4.00.0050.36211.54
4.3.110.0070.36511.54
4.3.100.0000.36311.54
4.3.90.0070.34611.54
4.3.80.0030.37011.54
4.3.70.0000.38011.54
4.3.60.0020.35811.54
4.3.50.0070.36511.54
4.3.40.0030.35411.54
4.3.30.0020.36211.54
4.3.20.0030.37411.54
4.3.10.0030.35911.54
4.3.00.0030.36011.54

preferences:
44.75 ms | 401 KiB | 5 Q