3v4l.org

run code in 300+ PHP versions simultaneously
<?php $l = 'a'; $i = 0; $a = []; while($i++ < 1000) { $md5 = md5($l++); if(substr($md5, 0, 2) === '0e') { $a[] = $md5; } } echo '<pre>'; print_r($a);

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)
8.3.60.0120.00916.75
8.3.50.0100.01021.94
8.3.40.0150.00018.84
8.3.30.0150.00019.08
8.3.20.0080.00020.30
8.3.10.0050.00323.65
8.3.00.0030.00519.25
8.2.180.0060.01218.29
8.2.170.0040.01118.94
8.2.160.0030.01022.96
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0000.00726.16
8.2.120.0050.00319.35
8.2.110.0100.00622.25
8.2.100.0060.00617.63
8.2.90.0040.00419.23
8.2.80.0000.00817.97
8.2.70.0040.00717.50
8.2.60.0030.00517.80
8.2.50.0040.00418.07
8.2.40.0060.00320.07
8.2.30.0030.00518.06
8.2.20.0040.00417.74
8.2.10.0040.00418.07
8.2.00.0000.00717.67
8.1.280.0090.00925.92
8.1.270.0040.00419.01
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0040.00422.51
8.1.230.0090.00322.71
8.1.220.0050.00517.79
8.1.210.0080.00018.77
8.1.200.0030.00617.13
8.1.190.0060.00317.10
8.1.180.0030.00518.10
8.1.170.0030.00620.29
8.1.160.0000.00721.95
8.1.150.0080.00018.68
8.1.140.0080.00017.39
8.1.130.0020.00517.75
8.1.120.0040.00417.30
8.1.110.0080.00017.39
8.1.100.0000.00817.44
8.1.90.0040.00417.30
8.1.80.0030.00517.31
8.1.70.0040.00417.41
8.1.60.0030.00617.52
8.1.50.0000.00817.44
8.1.40.0080.00017.36
8.1.30.0030.00517.64
8.1.20.0000.00917.57
8.1.10.0000.00817.50
8.1.00.0090.00217.45
8.0.300.0080.00018.77
8.0.290.0090.00016.63
8.0.280.0070.00018.38
8.0.270.0040.00417.29
8.0.260.0030.00317.29
8.0.250.0070.00016.81
8.0.240.0040.00716.77
8.0.230.0070.00016.80
8.0.220.0050.00216.73
8.0.210.0000.00816.81
8.0.200.0030.00316.91
8.0.190.0080.00016.91
8.0.180.0040.00416.69
8.0.170.0000.00816.84
8.0.160.0000.00916.74
8.0.150.0000.00716.68
8.0.140.0050.00216.72
8.0.130.0000.00913.19
8.0.120.0040.00416.72
8.0.110.0000.00816.69
8.0.100.0040.00416.63
8.0.90.0040.00416.70
8.0.80.0130.00316.71
8.0.70.0000.00716.70
8.0.60.0000.00816.83
8.0.50.0000.00716.71
8.0.30.0110.02016.79
8.0.20.0110.00817.40
8.0.10.0000.00816.78
8.0.00.0140.01016.86
7.4.330.0000.00515.17
7.4.320.0060.00016.43
7.4.300.0000.00616.60
7.4.290.0070.00016.59
7.4.280.0080.00016.41
7.4.270.0080.00016.52
7.4.260.0050.00216.58
7.4.250.0070.00016.59
7.4.240.0040.00316.52
7.4.230.0030.00416.34
7.4.220.0090.00916.49
7.4.210.0030.01116.71
7.4.200.0040.00416.54
7.4.160.0090.01516.48
7.4.150.0030.01417.40
7.4.140.0080.01217.86
7.4.130.0110.00816.56
7.4.120.0080.01116.47
7.4.110.0090.00916.57
7.4.100.0180.00616.55
7.4.90.0100.00716.52
7.4.80.0090.00919.39
7.4.70.0070.01116.38
7.4.60.0140.00316.50
7.4.50.0040.00416.35
7.4.40.0100.01016.49
7.4.30.0110.00716.66
7.4.00.0090.00614.75
7.3.330.0000.00613.25
7.3.320.0080.00513.10
7.3.310.0050.00216.32
7.3.300.0030.00316.36
7.3.290.0110.00616.29
7.3.280.0060.00916.30
7.3.270.0110.00717.40
7.3.260.0180.00016.65
7.3.250.0080.01216.33
7.3.240.0080.01116.37
7.3.230.0070.01416.54
7.3.210.0070.01016.25
7.3.200.0070.01419.39
7.3.190.0130.00316.16
7.3.180.0160.00416.50
7.3.170.0170.00716.46
7.3.160.0060.01116.31
7.3.10.0100.00616.55
7.3.00.0120.00416.38
7.2.330.0030.01416.47
7.2.320.0130.00416.73
7.2.310.0030.01816.48
7.2.300.0070.01016.64
7.2.290.0070.01116.70
7.2.130.0000.01416.65
7.2.120.0030.00716.48
7.2.110.0090.00516.64
7.2.100.0040.00816.29
7.2.90.0030.00916.54
7.2.80.0150.00816.53
7.2.70.0110.00716.45
7.2.60.0090.00716.81
7.2.50.0120.00916.68
7.2.40.0160.01016.70
7.2.30.0110.01516.41
7.2.20.0110.00716.92
7.2.10.0150.00516.91
7.2.00.0080.00717.90
7.1.250.0070.01115.58
7.1.200.0060.00616.00
7.1.100.0030.00917.67
7.1.70.0000.00817.20
7.1.60.0060.00917.25
7.1.50.0030.01316.91
7.1.00.0000.07722.37
7.0.200.0000.01616.60
7.0.140.0100.06722.00
7.0.60.0100.08019.92
7.0.50.0030.07717.98
7.0.40.0130.08320.10
7.0.30.0230.04720.28
7.0.20.0300.06020.16
7.0.10.0230.04320.09
7.0.00.0030.06020.07
5.6.280.0100.06721.11
5.6.210.0130.07020.75
5.6.200.0070.07718.19
5.6.190.0000.04720.76
5.6.180.0100.05020.49
5.6.170.0270.08020.55
5.6.160.0070.05720.44
5.6.150.0100.05718.19
5.6.140.0030.08018.28
5.6.130.0100.06318.28
5.6.120.0070.05021.04
5.6.110.0070.04021.00
5.6.100.0100.08321.02
5.6.90.0030.05720.96
5.6.80.0100.05320.52
5.6.70.0200.08320.49
5.5.350.0200.08320.29
5.5.340.0030.05017.99
5.5.330.0130.03720.40
5.5.320.0000.09020.25
5.5.310.0300.05020.30
5.5.300.0130.07717.99
5.5.290.0130.07317.97
5.5.280.0030.08020.87
5.5.270.0030.08720.86
5.5.260.0100.08020.75
5.5.250.0030.04020.78
5.5.240.0200.07320.29
5.4.450.1830.05019.19
5.4.440.1700.04319.19
5.4.430.1800.04719.41
5.4.420.1900.05019.38
5.4.410.1900.04019.04
5.4.400.1900.04719.09
5.4.390.1670.04318.86
5.4.380.1830.04319.15
5.4.370.1630.03319.09
5.4.360.1730.04319.24
5.4.350.1830.04719.23
5.4.340.1670.04319.14
5.4.320.1630.03718.99
5.4.310.1870.03719.18
5.4.300.1900.03719.05
5.4.290.1830.03019.07
5.4.280.1800.04718.84
5.4.270.1970.04018.96
5.4.260.1670.03719.09
5.4.250.1870.03319.18
5.4.240.1700.03319.18
5.4.230.0030.03719.05
5.4.220.0000.04019.23
5.4.210.0170.03718.86
5.4.200.1700.03319.16
5.4.190.1870.05318.98
5.4.180.1400.04319.18
5.4.170.1830.04019.07
5.4.160.1700.04318.96
5.4.150.1570.04319.11
5.4.140.1930.03316.29
5.4.130.1600.04016.33
5.4.120.1630.03316.38
5.4.110.1600.04016.55
5.4.100.1570.04016.45
5.4.90.1800.05016.24
5.4.80.1630.03716.52
5.4.70.1830.04716.44
5.4.60.1730.04016.51
5.4.50.1670.04016.55
5.4.40.1830.04316.50
5.4.30.1770.03716.43
5.4.20.1700.04016.53
5.4.10.1700.03716.55
5.4.00.1930.03715.82
5.3.290.1570.04014.52
5.3.280.1600.03714.43
5.3.270.1270.04014.53
5.3.260.0070.06714.55
5.3.250.0100.05714.62
5.3.240.1170.05714.51
5.3.230.1870.04314.46
5.3.220.1530.03314.43
5.3.210.1730.04714.43
5.3.200.1500.04014.41
5.3.190.1730.05014.58
5.3.180.1870.04714.40
5.3.170.1730.02714.42
5.3.160.1970.04714.39
5.3.150.1870.05014.55
5.3.140.1970.03714.65
5.3.130.1700.03714.43
5.3.120.1830.04314.38
5.3.110.1600.03714.39
5.3.100.1630.03313.88
5.3.90.1870.04013.98
5.3.80.1700.03013.97
5.3.70.1670.03313.95
5.3.60.1930.04313.88
5.3.50.1630.03713.82
5.3.40.1970.04013.82
5.3.30.1730.04313.70
5.3.20.1170.03013.59
5.3.10.0030.03313.68
5.3.00.0000.03713.47
5.2.170.0670.03711.30
5.2.160.1270.02311.00
5.2.150.1330.03011.20
5.2.140.1270.02711.16
5.2.130.1370.03311.18
5.2.120.1470.02711.18
5.2.110.1300.03010.99
5.2.100.1430.03711.12
5.2.90.1500.03310.95
5.2.80.1100.02710.94
5.2.70.0070.02711.04
5.2.60.0000.03310.89
5.2.50.0030.02710.90
5.2.40.0070.02311.04
5.2.30.0670.01711.05
5.2.20.1070.03011.00
5.2.10.0830.03010.95
5.2.00.0570.02710.61
5.1.60.0000.02310.13
5.1.50.0030.02310.15
5.1.40.0000.0579.95
5.1.30.0630.03710.24
5.1.20.1170.02010.26
5.1.10.0870.02310.04
5.1.00.1200.02710.06
5.0.50.0600.0208.41
5.0.40.0600.0238.49
5.0.30.0630.0308.23
5.0.20.0470.0208.20
5.0.10.0600.0208.06
5.0.00.0570.0378.05
4.4.90.0530.0177.87
4.4.80.0530.0177.87
4.4.70.0770.0207.87
4.4.60.0470.0137.87
4.4.50.0630.0237.87
4.4.40.0500.0307.87
4.4.30.0530.0177.87
4.4.20.0500.0137.87
4.4.10.0570.0137.87
4.4.00.0330.0277.87
4.3.110.0530.0137.87
4.3.100.0630.0177.87
4.3.90.0530.0177.87
4.3.80.0570.0307.87
4.3.70.0700.0237.87
4.3.60.0530.0137.87
4.3.50.0530.0137.87
4.3.40.0700.0377.87
4.3.30.0270.0177.87
4.3.20.0300.0237.87
4.3.10.0300.0337.87
4.3.00.0230.0177.87

preferences:
51.04 ms | 401 KiB | 5 Q