3v4l.org

run code in 300+ PHP versions simultaneously
<?php function conf_path() { static $path; if($path != null) { return $path; } $path = '../sites/swissquote.eu.fx'; return $path; } $time = microtime(true); $i=0; while($i < 60000) { $i++; substr(conf_path(), strrpos(conf_path(), '/')+1); } $time = microtime(true) - $time; echo 'substr() took ' . number_format($time, 3) . ' seconds';

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)
7.4.10.0110.01814.66
7.4.00.0070.02815.01
7.3.130.0100.01914.45
7.3.120.0060.01914.98
7.3.110.0030.02914.78
7.3.100.0090.01615.10
7.3.90.0070.02014.94
7.3.80.0040.01514.73
7.3.70.0030.02015.02
7.3.60.0070.02314.94
7.3.50.0100.01614.95
7.3.40.0090.01514.70
7.3.30.0030.02314.98
7.3.20.0030.01616.38
7.3.10.0150.01216.54
7.3.00.0090.01616.46
7.2.260.0060.02514.98
7.2.250.0140.02115.03
7.2.240.0090.01814.95
7.2.230.0030.02015.37
7.2.220.0070.01714.65
7.2.210.0070.01414.85
7.2.200.0110.02115.06
7.2.190.0100.02315.10
7.2.180.0100.02015.05
7.2.170.0060.01615.11
7.2.160.0030.02314.85
7.2.150.0030.02417.04
7.2.140.0060.01817.08
7.2.130.0100.02016.70
7.2.120.0100.02316.80
7.2.110.0070.01716.90
7.2.100.0030.02316.79
7.2.90.0100.01817.04
7.2.80.0060.01616.94
7.2.70.0030.01816.92
7.2.60.0030.01817.07
7.2.50.0030.02616.96
7.2.40.0070.02016.85
7.2.30.0030.02416.93
7.2.20.0030.02617.04
7.2.10.0040.02117.01
7.2.00.0030.02416.59
7.1.330.0030.03415.79
7.1.320.0070.02315.96
7.1.310.0070.02715.80
7.1.300.0000.03515.83
7.1.290.0060.02315.77
7.1.280.0030.03115.59
7.1.270.0000.03615.84
7.1.260.0060.02915.93
7.1.250.0070.02915.82
7.1.240.0060.02315.86
7.1.230.0060.02915.82
7.1.220.0030.02715.84
7.1.210.0070.02715.89
7.1.200.0070.02715.61
7.1.190.0030.03216.05
7.1.180.0040.02815.69
7.1.170.0030.03315.84
7.1.160.0100.02216.01
7.1.150.0000.03215.74
7.1.140.0040.03315.91
7.1.130.0030.02815.94
7.1.120.0100.02515.98
7.1.110.0060.02515.90
7.1.100.0000.03415.81
7.1.90.0120.02515.93
7.1.80.0030.03115.70
7.1.70.0020.02516.50
7.1.60.0100.02917.52
7.1.50.0070.03016.37
7.1.40.0070.03015.54
7.1.30.0100.01915.64
7.1.20.0130.02615.61
7.1.10.0030.03015.77
7.1.00.0050.03719.12
7.0.330.0070.03615.13
7.0.320.0100.02915.54
7.0.310.0000.03415.39
7.0.300.0040.03515.60
7.0.290.0100.03115.20
7.0.280.0070.03015.45
7.0.270.0040.03215.35
7.0.260.0040.03515.11
7.0.250.0000.03715.48
7.0.240.0090.03215.66
7.0.230.0100.03015.43
7.0.220.0000.03815.33
7.0.210.0130.02615.39
7.0.200.0020.03416.00
7.0.190.0030.03315.57
7.0.180.0000.03715.61
7.0.170.0070.02815.52
7.0.160.0030.03415.27
7.0.150.0030.03715.47
7.0.140.0070.06518.71
7.0.130.0030.03815.51
7.0.120.0030.03315.50
7.0.110.0060.02815.34
7.0.100.0130.04917.75
7.0.90.0250.05917.71
7.0.80.0170.04617.71
7.0.70.0180.05517.77
7.0.60.0170.06317.70
7.0.50.0150.05817.92
7.0.40.0100.05216.86
7.0.30.0080.05816.89
7.0.20.0100.06216.88
7.0.10.0110.05916.77
7.0.00.0100.04416.75
5.6.400.0030.06414.56
5.6.390.0000.06514.50
5.6.380.0070.06314.31
5.6.370.0100.06514.74
5.6.360.0070.05714.18
5.6.350.0070.06314.14
5.6.340.0100.06314.21
5.6.330.0070.07014.46
5.6.320.0100.06014.46
5.6.310.0030.06113.91
5.6.300.0030.08014.24
5.6.290.0100.06114.29
5.6.280.0050.09717.60
5.6.270.0000.07114.30
5.6.260.0100.05614.04
5.6.250.0050.08617.36
5.6.240.0050.09417.42
5.6.230.0080.09217.48
5.6.220.0120.08917.36
5.6.210.0080.08817.63
5.6.200.0070.09717.76
5.6.190.0030.07917.66
5.6.180.0080.08617.64
5.6.170.0030.10317.69
5.6.160.0080.07017.73
5.6.150.0070.09717.77
5.6.140.0030.09617.72
5.6.130.0050.09217.70
5.6.120.0100.08617.72
5.6.110.0080.09317.55
5.6.100.0120.08017.67
5.6.90.0030.08917.62
5.6.80.0070.07517.26
5.6.70.0030.10017.28
5.6.60.0110.08417.35
5.6.50.0050.10617.32
5.6.40.0070.08817.21
5.6.30.0050.08817.38
5.6.20.0030.09017.36
5.6.10.0120.09917.35
5.6.00.0070.08617.31
5.5.380.0100.09317.35
5.5.370.0100.09617.38
5.5.360.0050.09417.38
5.5.350.0070.09217.39
5.5.340.0020.09917.71
5.5.330.0050.09517.35
5.5.320.0100.09017.48
5.5.310.0100.09817.42
5.5.300.0070.08217.49
5.5.290.0030.07917.71
5.5.280.0030.09117.38
5.5.270.0120.09717.63
5.5.260.0030.09917.41
5.5.250.0070.10017.28
5.5.240.0070.09117.09
5.5.230.0100.08717.24
5.5.220.0150.09517.08
5.5.210.0150.09717.12
5.5.200.0050.09217.21
5.5.190.0050.09117.19
5.5.180.0080.10117.20
5.5.170.0000.07413.91
5.5.160.0030.09117.23
5.5.150.0070.10617.19
5.5.140.0110.08917.16
5.5.130.0050.10017.24
5.5.120.0070.09517.14
5.5.110.0070.08017.19
5.5.100.0080.09217.19
5.5.90.0050.07017.13
5.5.80.0030.07017.09
5.5.70.0060.07017.14
5.5.60.0100.08817.04
5.5.50.0080.09217.17
5.5.40.0050.08917.09
5.5.30.0020.08117.17
5.5.20.0070.08917.08
5.5.10.0030.09117.15
5.5.00.0170.08517.08
5.4.450.0070.09815.72
5.4.440.0030.10915.81
5.4.430.0050.08115.63
5.4.420.0070.08315.62
5.4.410.0130.08715.75
5.4.400.0070.09015.62
5.4.390.0050.07015.49
5.4.380.0050.10415.65
5.4.370.0050.08315.46
5.4.360.0070.07315.57
5.4.350.0030.09215.46
5.4.340.0070.09415.55
5.4.330.0000.07212.01
5.4.320.0070.08815.65
5.4.310.0070.09115.55
5.4.300.0100.10115.49
5.4.290.0030.09615.59
5.4.280.0070.09915.52
5.4.270.0030.09515.55
5.4.260.0050.09615.51
5.4.250.0070.06315.61
5.4.240.0070.10115.48
5.4.230.0030.07115.62
5.4.220.0020.07515.59
5.4.210.0120.09015.56
5.4.200.0020.09615.55
5.4.190.0070.10015.47
5.4.180.0070.09415.66
5.4.170.0070.09615.65
5.4.160.0030.10115.59
5.4.150.0120.08515.62
5.4.140.0050.07614.24
5.4.130.0050.08814.26
5.4.120.0080.08314.17
5.4.110.0100.06714.17
5.4.100.0070.08314.14
5.4.90.0050.08814.27
5.4.80.0120.08514.19
5.4.70.0020.07714.16
5.4.60.0070.09114.19
5.4.50.0050.08714.21
5.4.40.0080.08614.29
5.4.30.0070.08914.13
5.4.20.0030.08814.24
5.4.10.0020.07514.23
5.4.00.0070.08813.96
5.3.290.0080.13713.34
5.3.280.0020.09213.31
5.3.270.0080.11513.32
5.3.260.0070.11513.32
5.3.250.0050.11813.37
5.3.240.0050.10013.36
5.3.230.0070.07913.36
5.3.220.0050.12013.35
5.3.210.0080.11813.31
5.3.200.0070.11113.35
5.3.190.0080.11113.36
5.3.180.0100.12413.35
5.3.170.0080.11813.33
5.3.160.0030.11713.34
5.3.150.0070.12013.30
5.3.140.0020.10113.29
5.3.130.0110.10913.30
5.3.120.0070.12213.33
5.3.110.0050.11113.29
5.3.100.0050.11913.05
5.3.90.0130.08613.01
5.3.80.0080.10813.01
5.3.70.0070.10313.04
5.3.60.0050.11413.06
5.3.50.0080.10813.01
5.3.40.0050.11713.01
5.3.30.0050.12213.03
5.3.20.0030.11312.87
5.3.10.0050.10912.86
5.3.00.0020.12012.82
5.2.170.0030.09312.45
5.2.160.0100.15712.45
5.2.150.0170.10012.45
5.2.140.0070.11312.45
5.2.130.0070.14312.45
5.2.120.0030.13012.45
5.2.110.0030.08312.45
5.2.100.0000.10012.45
5.2.90.0070.14312.45
5.2.80.0030.14012.45
5.2.70.0130.13012.45
5.2.60.0130.12012.45
5.2.50.0030.14012.45
5.2.40.0000.10312.45
5.2.30.0070.14012.45
5.2.20.0070.12012.45
5.2.10.0070.14012.45
5.2.00.0030.09312.45
5.1.60.0070.13312.45
5.1.50.0000.10312.45
5.1.40.0100.13012.45
5.1.30.0030.06712.45
5.1.20.0070.13312.45
5.1.10.0130.13012.45
5.1.00.0070.14012.45
5.0.50.0030.15712.45
5.0.40.0030.11312.45
5.0.30.0100.13012.45
5.0.20.0000.15312.45
5.0.10.0000.08712.45
5.0.00.0000.10312.45
4.4.90.0000.15012.45
4.4.80.0000.15712.45
4.4.70.0030.11712.45
4.4.60.0030.14012.45
4.4.50.0030.14712.45
4.4.40.0000.16012.45
4.4.30.0000.09312.45
4.4.20.0030.14312.45
4.4.10.0070.10012.45
4.4.00.0000.13312.45
4.3.110.0070.14312.45
4.3.100.0000.10312.45
4.3.90.0070.13312.45
4.3.80.0000.08712.45
4.3.70.0000.14312.45
4.3.60.0030.14012.45
4.3.50.0000.12312.45
4.3.40.0000.09012.45
4.3.30.0000.11012.45
4.3.20.0000.08712.45
4.3.10.0000.12312.45
4.3.00.0000.09012.45

preferences:
38.6 ms | 401 KiB | 5 Q