3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo() { return 12; } $s = microtime(true); for ($i = 0; $i < 1000; $i++) { $str = ''; for ($k = 0; $k < 280; $k++) { $str .= chr(foo()); } } $e = microtime(true); echo ($e - $s) . " Seconds\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)
7.4.10.0100.02615.05
7.4.00.0000.04515.17
7.3.130.0100.02614.99
7.3.120.0060.02814.81
7.3.110.0000.04515.02
7.3.100.0030.03414.88
7.3.90.0070.02414.92
7.3.80.0070.02714.82
7.3.70.0100.02414.82
7.3.60.0070.02314.60
7.3.50.0000.03014.74
7.3.40.0090.02514.80
7.3.30.0030.02714.93
7.3.20.0000.03116.59
7.3.10.0060.02916.64
7.3.00.0050.02616.56
7.2.260.0070.03415.00
7.2.250.0070.04014.80
7.2.240.0030.03314.91
7.2.230.0030.03314.91
7.2.220.0100.02315.38
7.2.210.0070.02715.03
7.2.200.0040.02515.21
7.2.190.0030.02715.11
7.2.180.0040.02814.97
7.2.170.0060.02515.11
7.2.160.0060.02915.02
7.2.150.0030.02916.95
7.2.140.0030.03116.71
7.2.130.0070.02516.82
7.2.120.0080.02516.91
7.2.110.0050.02916.97
7.2.100.0050.02917.03
7.2.90.0050.03316.97
7.2.80.0050.02816.90
7.2.70.0080.02216.91
7.2.60.0030.03216.93
7.2.50.0070.03016.95
7.2.40.0030.02716.93
7.2.30.0070.02816.86
7.2.20.0080.02817.05
7.2.10.0050.03016.81
7.2.00.0070.02816.96
7.1.330.0130.04315.90
7.1.320.0100.05415.79
7.1.310.0030.05315.82
7.1.300.0070.05015.80
7.1.290.0070.05015.77
7.1.280.0070.05215.83
7.1.270.0100.05115.61
7.1.260.0000.05715.50
7.1.250.0050.05215.80
7.1.240.0030.05415.68
7.1.230.0050.05615.80
7.1.220.0050.05615.88
7.1.210.0030.05615.55
7.1.200.0050.05215.85
7.1.190.0030.05615.75
7.1.180.0020.05615.63
7.1.170.0050.05415.89
7.1.160.0030.05515.72
7.1.150.0100.05115.86
7.1.140.0050.05215.78
7.1.130.0050.05515.86
7.1.120.0080.05115.71
7.1.110.0050.05715.61
7.1.100.0030.05315.83
7.1.90.0070.04815.65
7.1.80.0070.05715.57
7.1.70.0060.04016.24
7.1.60.0100.04916.94
7.1.50.0090.04616.12
7.1.40.0020.05115.63
7.1.30.0100.05515.81
7.1.20.0030.05415.72
7.1.10.0050.05815.62
7.1.00.0040.07117.84
7.0.330.0030.05515.54
7.0.320.0100.04815.51
7.0.310.0050.05315.39
7.0.300.0050.05415.19
7.0.290.0070.05015.35
7.0.280.0050.05115.43
7.0.270.0050.05315.46
7.0.260.0030.05215.58
7.0.250.0050.05115.53
7.0.240.0100.05215.38
7.0.230.0030.05515.50
7.0.220.0070.04915.36
7.0.210.0030.04915.47
7.0.200.0020.04615.84
7.0.190.0050.04815.41
7.0.180.0030.05515.38
7.0.170.0020.05515.42
7.0.160.0020.06015.37
7.0.150.0060.05215.25
7.0.140.0060.06617.63
7.0.130.0030.05415.43
7.0.120.0060.06917.65
7.0.110.0030.06015.35
7.0.100.0050.04915.38
7.0.90.0030.05315.52
7.0.80.0050.05215.39
7.0.70.0030.05415.59
7.0.60.0070.06916.81
7.0.50.0040.07616.35
7.0.40.0030.06915.73
7.0.30.0110.05915.62
7.0.20.0100.07415.68
7.0.10.0110.06915.67
7.0.00.0030.06015.71
5.6.400.0100.09614.66
5.6.390.0070.11514.31
5.6.380.0080.10114.39
5.6.370.0030.10114.29
5.6.360.0080.09014.27
5.6.350.0100.09014.40
5.6.340.0030.09914.26
5.6.330.0030.10214.20
5.6.320.0030.09714.64
5.6.310.0080.09714.44
5.6.300.0050.09714.34
5.6.290.0050.10014.36
5.6.280.0040.11616.63
5.6.270.0050.10414.51
5.6.260.0080.11214.40
5.6.250.0100.11314.52
5.6.240.0030.11514.23
5.6.230.0120.09814.33
5.6.220.0030.11014.39
5.6.210.0090.10116.48
5.6.200.0030.10015.66
5.6.190.0060.11116.42
5.6.180.1340.09416.42
5.6.170.0080.09716.42
5.6.160.0080.11916.38
5.6.150.0080.09815.65
5.6.140.0080.11415.61
5.6.130.0080.11415.82
5.6.120.0040.11916.69
5.6.110.0090.10916.61
5.6.100.0040.11716.64
5.6.90.0070.10616.48
5.6.80.0030.10216.35
5.6.70.1490.10216.31
5.6.60.0050.10814.14
5.6.50.0100.09814.22
5.6.40.0070.10114.29
5.6.30.0100.10014.54
5.6.20.0070.10514.40
5.6.10.0020.11414.20
5.6.00.0050.10814.26
5.5.380.0070.10312.84
5.5.370.0030.10412.66
5.5.360.0030.11112.69
5.5.350.0080.12415.40
5.5.340.0040.11214.53
5.5.330.0030.10615.35
5.5.320.0170.09815.23
5.5.310.0080.11415.22
5.5.300.0100.11414.60
5.5.290.0060.11414.63
5.5.280.0040.10515.59
5.5.270.0030.09715.43
5.5.260.0040.11915.48
5.5.250.0030.11815.18
5.5.240.0070.11715.22
5.5.230.0020.12512.79
5.5.220.0100.09712.68
5.5.210.0050.09612.71
5.5.200.0080.09412.74
5.5.190.0000.10512.59
5.5.180.0050.10312.52
5.5.170.0030.10612.56
5.5.160.0050.10312.66
5.5.150.0000.11112.73
5.5.140.0080.09812.43
5.5.130.0030.10712.70
5.5.120.0000.10212.71
5.5.110.0050.10012.83
5.5.100.0050.10312.80
5.5.90.0030.10412.42
5.5.80.0020.10012.79
5.5.70.0030.09612.76
5.5.60.0020.09812.68
5.5.50.0030.11212.59
5.5.40.0080.09212.72
5.5.30.0020.10312.64
5.5.20.0070.10812.75
5.5.10.0020.10512.79
5.5.00.0050.09912.73
5.4.450.0080.10814.08
5.4.440.0090.11914.11
5.4.430.0030.11814.16
5.4.420.0060.11514.04
5.4.410.0040.10814.11
5.4.400.0030.12413.96
5.4.390.0040.12214.01
5.4.380.0060.11013.92
5.4.370.0070.11014.00
5.4.360.0070.10013.93
5.4.350.0020.09413.82
5.4.340.0050.09713.80
5.4.330.0020.10311.33
5.4.320.0040.10213.92
5.4.310.0030.09713.91
5.4.300.0080.08813.99
5.4.290.0010.10013.96
5.4.280.0040.09314.03
5.4.270.0060.09313.81
5.4.260.0020.09913.95
5.4.250.0050.09613.94
5.4.240.0040.10113.99
5.4.230.0070.10113.99
5.4.220.0040.10913.95
5.4.210.0040.09913.92
5.4.200.0060.12513.81
5.4.190.0070.11213.99
5.4.180.0040.11813.88
5.4.170.0030.10013.96
5.4.160.0070.12114.04
5.4.150.0080.10213.89
5.4.140.0050.10613.10
5.4.130.0030.11212.99
5.4.120.0030.11913.11
5.4.110.0040.11413.15
5.4.100.0030.10713.03
5.4.90.0030.11913.10
5.4.80.0020.11612.97
5.4.70.0060.12313.13
5.4.60.0030.11213.07
5.4.50.0040.11313.10
5.4.40.0060.12013.02
5.4.30.0040.11513.02
5.4.20.0050.11513.02
5.4.10.0040.10513.04
5.4.00.0080.10512.91
5.3.290.0030.11512.39
5.3.280.0070.10412.31
5.3.270.0040.13812.27
5.3.260.0030.11512.20
5.3.250.0060.12912.33
5.3.240.0020.13312.29
5.3.230.0040.13912.28
5.3.220.0010.10912.26
5.3.210.0030.12412.16
5.3.200.0070.12412.22
5.3.190.0060.11412.24
5.3.180.0030.14012.23
5.3.170.0040.14212.28
5.3.160.0020.11912.28
5.3.150.0040.12312.29
5.3.140.0020.11012.29
5.3.130.0030.10912.34
5.3.120.0020.12712.13
5.3.110.0010.11212.26
5.3.100.0060.12912.08
5.3.90.0020.13512.08
5.3.80.0040.13212.05
5.3.70.0030.13511.95
5.3.60.0030.12112.08
5.3.50.0020.14112.00
5.3.40.0070.12011.92
5.3.30.0060.12812.02
5.3.20.0090.12711.92
5.3.10.0030.12311.79
5.3.00.0060.12211.91
5.2.170.0050.11810.52
5.2.160.0020.13710.54
5.2.150.0030.13210.60
5.2.140.0050.13310.54
5.2.130.0000.13410.56
5.2.120.0050.11810.54
5.2.110.0020.12910.50
5.2.100.0000.10710.54
5.2.90.0020.13610.58
5.2.80.0030.11510.56
5.2.70.0050.13210.55
5.2.60.0030.11910.51
5.2.50.0020.11710.49
5.2.40.0070.13110.56
5.2.30.0070.11010.55
5.2.20.0050.12710.46
5.2.10.0020.13110.45
5.2.00.0050.14410.37
5.1.60.0030.13410.01
5.1.50.0050.1299.94
5.1.40.0030.1349.96
5.1.30.0020.13110.12
5.1.20.0070.11210.16
5.1.10.0000.11610.04
5.1.00.0070.12910.04
5.0.50.0030.2049.21
5.0.40.0030.1949.19
5.0.30.0020.1909.18
5.0.20.0070.1799.04
5.0.10.0020.1819.09
5.0.00.0000.2089.13
4.4.90.0000.1848.91
4.4.80.0020.1548.91
4.4.70.0000.1618.91
4.4.60.0030.1758.91
4.4.50.0000.1598.91
4.4.40.0020.1578.91
4.4.30.0000.1748.91
4.4.20.0030.1838.91
4.4.10.0020.1778.91
4.4.00.0020.1678.91
4.3.110.0030.1768.91
4.3.100.0050.1838.91
4.3.90.0030.1818.91
4.3.80.0020.1938.91
4.3.70.0020.1838.91
4.3.60.0030.1708.91
4.3.50.0020.1568.91
4.3.40.0020.1828.91
4.3.30.0000.1918.91
4.3.20.0050.1858.91
4.3.10.0020.1798.91
4.3.00.0000.1838.91

preferences:
33.59 ms | 401 KiB | 5 Q