3v4l.org

run code in 300+ PHP versions simultaneously
<?php $heart = "love"; $pat = "[♥]+"; $sub = "heart"; $code = mb_ereg_replace( $pat, $sub, "I \$♥ PHP" ); eval("\$code " = \"$code\";"); echo $code . "\n";

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)
5.4.310.0060.03812.50
5.4.300.0060.03612.49
5.4.290.0040.03912.50
5.4.280.0030.03712.39
5.4.270.0090.03612.39
5.4.260.0040.04012.39
5.4.250.0060.03712.39
5.4.240.0080.03812.39
5.4.230.0050.04312.38
5.4.220.0100.03512.38
5.4.210.0050.03912.38
5.4.200.0040.04212.38
5.4.190.0030.03812.38
5.4.180.0050.03612.38
5.4.170.0090.03212.38
5.4.160.0030.03812.38
5.4.150.0070.03812.38
5.4.140.0080.03312.07
5.4.130.0080.03612.05
5.4.120.0050.03512.02
5.4.110.0070.03712.01
5.4.100.0080.04412.01
5.4.90.0030.03912.01
5.4.80.0070.03512.01
5.4.70.0090.03512.01
5.4.60.0090.03012.01
5.4.50.0070.03212.00
5.4.40.0010.03812.00
5.4.30.0070.03311.99
5.4.20.0060.03311.99
5.4.10.0040.03511.99
5.4.00.0040.03611.49
5.3.280.0070.03812.71
5.3.270.0080.03912.73
5.3.260.0070.03812.72
5.3.250.0090.03412.72
5.3.240.0050.03812.71
5.3.230.0050.04212.71
5.3.220.0070.04112.68
5.3.210.0090.03412.68
5.3.200.0050.03812.68
5.3.190.0060.03712.68
5.3.180.0040.03812.67
5.3.170.0050.03612.67
5.3.160.0070.03512.68
5.3.150.0050.04212.67
5.3.140.0070.03712.66
5.3.130.0060.03812.66
5.3.120.0080.04012.66
5.3.110.0050.04012.66
5.3.100.0100.03512.12
5.3.90.0090.03512.09
5.3.80.0070.03812.07
5.3.70.0050.03612.08
5.3.60.0080.04012.06
5.3.50.0040.03812.00
5.3.40.0060.04112.00
5.3.30.0060.03911.95
5.3.20.0050.03511.72
5.3.10.0070.03311.70
5.3.00.0050.03711.69
5.2.170.0070.0349.18
5.2.160.0040.0309.19
5.2.150.0020.0329.18
5.2.140.0050.0299.18
5.2.130.0070.0289.14
5.2.120.0030.0309.14
5.2.110.0030.0319.15
5.2.100.0070.0389.14
5.2.90.0090.0329.14
5.2.80.0070.0409.14
5.2.70.0030.0339.14
5.2.60.0060.0309.09
5.2.50.0040.0309.06
5.2.40.0050.0289.04
5.2.30.0050.0299.01
5.2.20.0060.0279.00
5.2.10.0030.0298.93
5.2.00.0070.0268.78
5.1.60.0040.0238.07
5.1.50.0020.0278.07
5.1.40.0050.0238.04
5.1.30.0070.0228.39
5.1.20.0070.0238.42
5.1.10.0070.0228.14
5.1.00.0020.0278.14
5.0.50.0040.0196.62
5.0.40.0040.0186.48
5.0.30.0030.0306.30
5.0.20.0020.0206.26
5.0.10.0040.0196.24
5.0.00.0030.0326.23
4.4.90.0050.0144.78
4.4.80.0020.0164.76
4.4.70.0050.0134.75
4.4.60.0040.0164.75
4.4.50.0040.0144.77
4.4.40.0040.0274.71
4.4.30.0030.0194.76
4.4.20.0030.0184.85
4.4.10.0040.0184.85
4.4.00.0040.0274.76
4.3.110.0040.0184.67
4.3.100.0010.0164.66
4.3.90.0020.0154.63
4.3.80.0020.0244.59
4.3.70.0060.0114.63
4.3.60.0020.0154.63
4.3.50.0060.0164.63
4.3.40.0010.0264.54
4.3.30.0020.0163.28
4.3.20.0030.0153.26
4.3.10.0010.0203.22
4.3.00.0030.03715.29

preferences:
143.02 ms | 1394 KiB | 7 Q