3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_replace('~\0~', 'N', "\0\0\0>fake start")

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)
5.4.310.0050.03912.46
5.4.300.0080.03812.47
5.4.290.0080.04012.46
5.4.280.0080.03612.36
5.4.270.0060.03812.36
5.4.260.0040.03912.36
5.4.250.0040.04112.36
5.4.240.0070.03512.36
5.4.230.0070.03912.35
5.4.220.0090.03712.35
5.4.210.0070.03612.36
5.4.200.0060.03912.35
5.4.190.0080.03912.35
5.4.180.0070.03512.35
5.4.170.0060.03612.36
5.4.160.0080.03412.35
5.4.150.0080.03412.35
5.4.140.0050.03812.04
5.4.130.0040.03812.02
5.4.120.0050.03611.99
5.4.110.0040.03611.99
5.4.100.0080.03511.98
5.4.90.0060.04211.98
5.4.80.0070.04111.98
5.4.70.0080.03811.98
5.4.60.0050.03511.98
5.4.50.0090.03611.98
5.4.40.0040.03811.96
5.4.30.0080.03811.96
5.4.20.0070.03711.96
5.4.10.0060.03711.96
5.4.00.0040.03811.46
5.3.280.0060.04312.71
5.3.270.0040.04712.72
5.3.260.0050.04112.72
5.3.250.0060.04212.72
5.3.240.0090.03612.72
5.3.230.0070.03612.71
5.3.220.0060.03912.68
5.3.210.0090.03912.68
5.3.200.0090.03812.68
5.3.190.0070.03812.68
5.3.180.0070.04112.67
5.3.170.0060.03812.67
5.3.160.0090.03812.67
5.3.150.0070.03912.67
5.3.140.0070.04112.66
5.3.130.0080.03912.66
5.3.120.0060.04212.65
5.3.110.0090.04112.66
5.3.100.0040.03812.12
5.3.90.0070.03712.08
5.3.80.0070.03612.08
5.3.70.0070.03912.07
5.3.60.0070.03812.06
5.3.50.0070.03712.00
5.3.40.0090.03812.00
5.3.30.0070.03811.95
5.3.20.0050.03811.72
5.3.10.0090.03811.70
5.3.00.0070.03611.68
5.2.170.0040.0349.18
5.2.160.0050.0339.18
5.2.150.0050.0349.18
5.2.140.0050.0349.18
5.2.130.0080.0259.14
5.2.120.0080.0299.14
5.2.110.0090.0309.14
5.2.100.0090.0279.14
5.2.90.0040.0329.14
5.2.80.0050.0329.14
5.2.70.0050.0369.14
5.2.60.0070.0319.09
5.2.50.0020.0329.06
5.2.40.0050.0309.04
5.2.30.0060.0329.02
5.2.20.0070.0309.01
5.2.10.0050.0328.93
5.2.00.0050.0338.78
5.1.60.0080.0258.07
5.1.50.0070.0248.06
5.1.40.0060.0258.05
5.1.30.0030.0318.40
5.1.20.0060.0308.41
5.1.10.0080.0248.14
5.1.00.0070.0258.14
5.0.50.0040.0196.62
5.0.40.0040.0196.48
5.0.30.0030.0326.29
5.0.20.0030.0206.26
5.0.10.0050.0186.24
5.0.00.0040.0326.23
4.4.90.0040.0154.78
4.4.80.0040.0184.76
4.4.70.0060.0144.76
4.4.60.0040.0204.75
4.4.50.0050.0144.77
4.4.40.0040.0264.71
4.4.30.0040.0144.76
4.4.20.0050.0214.84
4.4.10.0030.0194.85
4.4.00.0020.0274.76
4.3.110.0040.0154.67
4.3.100.0020.0164.66
4.3.90.0040.0174.63
4.3.80.0020.0274.59
4.3.70.0040.0164.63
4.3.60.0030.0144.63
4.3.50.0020.0184.63
4.3.40.0040.0254.54
4.3.30.0030.0173.29
4.3.20.0030.0193.27
4.3.10.0020.0223.22
4.3.00.0130.0207.13

preferences:
142.52 ms | 1394 KiB | 7 Q