3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr(md5('phpbarcelona2015'), 0, 20);

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)
8.3.60.0090.00616.38
8.3.50.0140.01121.85
8.3.40.0040.01118.62
8.3.30.0070.01019.04
8.3.20.0040.00420.34
8.3.10.0080.00021.89
8.3.00.0040.00419.24
8.2.180.0140.00416.38
8.2.170.0060.00922.96
8.2.160.0140.00022.09
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00019.54
8.2.110.0030.00620.90
8.2.100.0080.00417.63
8.2.90.0000.00819.05
8.2.80.0040.00417.97
8.2.70.0060.00317.25
8.2.60.0040.00417.90
8.2.50.0050.00318.07
8.2.40.0040.00419.88
8.2.30.0060.00317.90
8.2.20.0050.00317.61
8.2.10.0060.00317.98
8.2.00.0040.00417.50
8.1.280.0100.00725.92
8.1.270.0100.00718.87
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0040.00417.66
8.1.230.0080.00417.42
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0000.00917.10
8.1.190.0040.00417.10
8.1.180.0000.00718.10
8.1.170.0000.00920.37
8.1.160.0000.00721.94
8.1.150.0040.00418.82
8.1.140.0080.00017.32
8.1.130.0030.00317.63
8.1.120.0040.00417.29
8.1.110.0030.00617.24
8.1.100.0030.00317.35
8.1.90.0080.00017.33
8.1.80.0050.00317.22
8.1.70.0030.00317.20
8.1.60.0000.00817.46
8.1.50.0000.00817.28
8.1.40.0000.00717.39
8.1.30.0040.00417.46
8.1.20.0000.00717.48
8.1.10.0080.00017.43
8.1.00.0040.00417.35
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0030.00318.38
8.0.270.0000.00717.25
8.0.260.0060.00017.21
8.0.250.0020.00516.88
8.0.240.0000.00716.85
8.0.230.0060.00316.86
8.0.220.0000.00716.77
8.0.210.0020.00516.63
8.0.200.0000.00716.69
8.0.190.0030.00316.87
8.0.180.0000.00716.84
8.0.170.0000.00716.84
8.0.160.0030.00316.78
8.0.150.0030.00616.56
8.0.140.0000.00816.67
8.0.130.0000.00713.18
8.0.120.0040.00416.62
8.0.110.0070.00016.78
8.0.100.0050.00216.81
8.0.90.0080.00016.73
8.0.80.0120.00316.77
8.0.70.0070.00016.81
8.0.60.0030.00516.88
8.0.50.0000.00716.61
8.0.30.0110.01116.96
8.0.20.0080.01917.40
8.0.10.0080.00016.82
8.0.00.0090.00916.86
7.4.330.0000.00515.03
7.4.320.0040.00416.49
7.4.300.0070.00016.45
7.4.290.0000.00716.27
7.4.280.0000.00816.35
7.4.270.0000.00716.35
7.4.260.0030.00316.34
7.4.250.0050.00216.34
7.4.240.0020.00516.26
7.4.230.0000.00716.11
7.4.220.0130.01316.44
7.4.210.0030.01216.37
7.4.200.0000.00716.34
7.4.160.0100.00616.24
7.4.150.0100.00617.40
7.4.140.0060.01117.86
7.4.130.0080.00816.39
7.4.120.0040.01216.46
7.4.110.0190.00316.62
7.4.100.0070.01016.41
7.4.90.0110.00716.48
7.4.80.0110.01119.39
7.4.70.0030.01416.45
7.4.60.0090.00616.35
7.4.50.0090.00016.39
7.4.40.0110.01216.44
7.4.30.0140.00616.43
7.4.00.0070.00714.52
7.3.330.0050.00012.98
7.3.320.0030.01012.98
7.3.310.0030.00315.95
7.3.300.0000.00616.11
7.3.290.0030.00316.11
7.3.280.0080.01016.06
7.3.270.0160.00617.40
7.3.260.0130.00416.32
7.3.250.0090.00816.21
7.3.240.0100.00716.09
7.3.230.0170.00716.39
7.3.210.0090.00916.10
7.3.200.0170.00019.39
7.3.190.0060.00916.15
7.3.180.0040.01116.27
7.3.170.0060.01216.38
7.3.160.0070.00716.16
7.2.330.0110.01116.25
7.2.320.0060.01016.46
7.2.310.0080.00916.35
7.2.300.0090.00816.21
7.2.290.0200.00316.39
7.2.60.0040.00816.87
7.2.00.0000.01019.46
7.1.200.0000.01115.61
7.1.100.0040.00817.75
7.1.70.0000.00816.90
7.1.60.0070.01419.50
7.1.50.0040.01816.88
7.1.00.0030.07722.37
7.0.200.0190.00414.93
7.0.140.0000.08022.13
7.0.60.0130.07320.04
7.0.50.0070.07717.82
7.0.40.0030.08720.11
7.0.30.0370.04720.30
7.0.20.0230.05320.12
7.0.10.0100.08720.08
7.0.00.0070.04020.08
5.6.280.0000.07721.12
5.6.210.0170.07020.66
5.6.200.0130.08018.13
5.6.190.0130.07720.36
5.6.180.0230.04020.41
5.6.170.0200.04320.51
5.6.160.0000.04320.50
5.6.150.0100.06718.16
5.6.140.0030.04018.11
5.6.130.0130.06018.08
5.6.120.0100.07720.96
5.6.110.0070.08320.99
5.6.100.0030.08021.07
5.6.90.0030.07720.96
5.6.80.0100.06020.38
5.5.350.0100.07720.43
5.5.340.0030.04717.93
5.5.330.0030.04320.23
5.5.320.0070.04320.21
5.5.310.0130.04320.13
5.5.300.0070.06317.88
5.5.290.0070.05017.95
5.5.280.0070.07320.88
5.5.270.0000.04720.88
5.5.260.0130.08320.86
5.5.250.0170.07320.61
5.5.240.0330.06020.04
5.4.450.0700.06019.46
5.4.440.0170.05019.10
5.4.430.0770.06019.23
5.4.420.0770.05319.57
5.4.410.0830.06019.33
5.4.400.0330.04018.64
5.4.390.0230.05318.72
5.4.380.0100.06718.61
5.4.370.0170.06018.56
5.4.360.0200.05318.73
5.4.350.0300.05718.50
5.4.340.0170.05718.73
5.4.320.0230.05718.50
5.4.310.0300.04018.56
5.4.300.0130.05718.77
5.4.290.0270.04318.68
5.4.280.0170.05018.69
5.4.270.0130.05718.70
5.4.260.0130.05718.70
5.4.250.0170.05318.55
5.4.240.0130.06318.48
5.4.230.0170.05718.51
5.4.220.0300.04718.76
5.4.210.0230.04718.69
5.4.200.0230.04316.43
5.4.190.0270.07718.77
5.4.180.0100.06018.51
5.4.170.0300.04318.76
5.4.160.0230.05018.68
5.4.150.0270.04318.59
5.4.140.0200.05016.27
5.4.130.0230.04716.26
5.4.120.0130.05316.17
5.4.110.0170.05316.19
5.4.100.0270.04716.06
5.4.90.0070.07016.12
5.4.80.0270.06016.19
5.4.70.0270.04316.12
5.4.60.0200.04716.11
5.4.50.0170.05016.32
5.4.40.0270.04716.27
5.4.30.0300.04016.19
5.4.20.0170.05316.31
5.4.10.0200.04716.21
5.4.00.0170.05015.77
5.3.290.0100.07014.64
5.3.280.0070.06714.48
5.3.270.0230.05714.60
5.3.260.0200.05314.69
5.3.250.0200.05014.65
5.3.240.0270.04714.65
5.3.230.0230.05714.57
5.3.220.0200.05314.56
5.3.210.0330.04014.64
5.3.200.0070.06014.52
5.3.190.0170.05014.56
5.3.180.0230.06314.61
5.3.170.0200.05014.47
5.3.160.0170.05014.55
5.3.150.0230.04714.61
5.3.140.0230.05314.60
5.3.130.0270.04714.55
5.3.120.0130.06014.59
5.3.110.0200.05314.57
5.3.100.0230.05014.06
5.3.90.0170.05013.91
5.3.80.0230.04314.11
5.3.70.0230.04713.99
5.3.60.0130.05313.98
5.3.50.0230.04013.87
5.3.40.0170.05013.85
5.3.30.0330.04713.85
5.3.20.0230.04313.58
5.3.10.0170.05013.72
5.3.00.0070.06313.65
5.2.170.0170.04011.12
5.2.160.0170.04011.27
5.2.150.0200.04011.09
5.2.140.0170.04011.17
5.2.130.0200.03711.16
5.2.120.0200.04011.14
5.2.110.0170.04011.05
5.2.100.0130.04311.09
5.2.90.0170.04711.25
5.2.80.0170.04311.15
5.2.70.0170.04011.10
5.2.60.0130.05011.07
5.2.50.0170.04310.98
5.2.40.0170.03710.91
5.2.30.0200.03311.01
5.2.20.0200.03311.00
5.2.10.0130.04010.85
5.2.00.0170.04010.77
5.1.60.0070.04010.02
5.1.50.0100.04010.12
5.1.40.0230.02310.01
5.1.30.0130.03710.48
5.1.20.0170.03710.34
5.1.10.0230.03310.08
5.1.00.0170.03710.11
5.0.50.0070.0338.64
5.0.40.0070.0308.54
5.0.30.0130.0438.19
5.0.20.0170.0208.22
5.0.10.0070.0308.14
5.0.00.0070.0508.15
4.4.90.0070.0235.90
4.4.80.0100.0205.87
4.4.70.0130.0275.88
4.4.60.0030.0275.85
4.4.50.0100.0205.91
4.4.40.0100.0335.86
4.4.30.0100.0205.91
4.4.20.0200.0105.93
4.4.10.0130.0175.93
4.4.00.0170.0276.01
4.3.110.0100.0205.82
4.3.100.0070.0235.87
4.3.90.0070.0235.87
4.3.80.0100.0335.86
4.3.70.0030.0275.88
4.3.60.0070.0205.81
4.3.50.0100.0205.91
4.3.40.0070.0375.75
4.3.30.0000.0274.58
4.3.20.0030.0234.58
4.3.10.0000.0234.51
4.3.00.0130.0207.11

preferences:
54.99 ms | 401 KiB | 5 Q