3v4l.org

run code in 300+ PHP versions simultaneously
<?php $t = NULL; $t (string) $t; var_dump($t);

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)
5.4.310.0190.08312.50
5.4.300.0110.04512.49
5.4.290.0090.05412.49
5.4.280.0130.05712.39
5.4.270.0120.04912.39
5.4.260.0080.04012.39
5.4.250.0070.04312.39
5.4.240.0120.06212.39
5.4.230.0090.05812.38
5.4.220.0090.04912.38
5.4.210.0110.05012.38
5.4.200.0100.05512.38
5.4.190.0110.04712.38
5.4.180.0080.03712.38
5.4.170.0050.03712.39
5.4.160.0080.04212.38
5.4.150.0070.04412.38
5.4.140.0080.04112.07
5.4.130.0070.03512.05
5.4.120.0040.03712.02
5.4.110.0070.03412.01
5.4.100.0090.03812.01
5.4.90.0080.04012.01
5.4.80.0080.04312.01
5.4.70.0070.03612.01
5.4.60.0050.04612.01
5.4.50.0070.03312.00
5.4.40.0090.03311.99
5.4.30.0050.03811.99
5.4.20.0050.04011.99
5.4.10.0100.03011.99
5.4.00.0070.04411.48
5.3.280.0070.04012.71
5.3.270.0060.04312.72
5.3.260.0100.03612.72
5.3.250.0090.03612.72
5.3.240.0070.03912.72
5.3.230.0080.04112.71
5.3.220.0110.04212.68
5.3.210.0070.04212.68
5.3.200.0080.05012.68
5.3.190.0080.04712.68
5.3.180.0060.05112.67
5.3.170.0130.04412.67
5.3.160.0140.04712.67
5.3.150.0080.04512.68
5.3.140.0110.04412.66
5.3.130.0060.04012.65
5.3.120.0040.04112.66
5.3.110.0090.03812.66
5.3.100.0120.03612.12
5.3.90.0090.03612.08
5.3.80.0050.03712.08
5.3.70.0060.04912.07
5.3.60.0090.05812.06
5.3.50.0080.03712.00
5.3.40.0080.04212.00
5.3.30.0070.03711.95
5.3.20.0110.03611.73
5.3.10.0070.03811.70
5.3.00.0060.03911.68
5.2.170.0090.0379.18
5.2.160.0080.0359.18
5.2.150.0130.0649.18
5.2.140.0100.0489.18
5.2.130.0150.0589.14
5.2.120.0070.0419.14
5.2.110.0080.0359.14
5.2.100.0120.0589.14
5.2.90.0030.0419.14
5.2.80.0070.0429.14
5.2.70.0070.0429.14
5.2.60.0090.0379.09
5.2.50.0080.0399.06
5.2.40.0070.0309.03
5.2.30.0040.0319.02
5.2.20.0050.0319.00
5.2.10.0050.0288.92
5.2.00.0040.0308.78
5.1.60.0050.0238.07
5.1.50.0020.0308.07
5.1.40.0050.0238.05
5.1.30.0060.0258.39
5.1.20.0070.0248.41
5.1.10.0040.0268.14
5.1.00.0040.0268.14
5.0.50.0030.0216.62
5.0.40.0050.0186.48
5.0.30.0040.0306.29
5.0.20.0030.0216.26
5.0.10.0040.0196.24
5.0.00.0030.0346.23
4.4.90.0040.0164.77
4.4.80.0020.0164.76
4.4.70.0030.0154.76
4.4.60.0040.0144.76
4.4.50.0050.0144.77
4.4.40.0000.0284.71
4.4.30.0020.0164.76
4.4.20.0040.0144.84
4.4.10.0050.0144.85
4.4.00.0020.0274.76
4.3.110.0020.0174.67
4.3.100.0020.0164.67
4.3.90.0030.0144.63
4.3.80.0030.0244.58
4.3.70.0060.0114.63
4.3.60.0010.0174.63
4.3.50.0030.0154.63
4.3.40.0040.0294.54
4.3.30.0030.0203.29
4.3.20.0040.0193.26
4.3.10.0010.0183.22
4.3.00.0130.0207.11

preferences:
143 ms | 1394 KiB | 7 Q