3v4l.org

run code in 300+ PHP versions simultaneously
<?php class String { public function __construct($s) { $this->payload = str_split($s); } public function __toString() { return implode($this->payload,''); } } class BetterString { private $content; public function __construct($string) { $this->content = $string; } public function __toString() { return $this->content; } } function foo(String $a, BetterString $b) { echo $a === $b ? 'Same shit' : 'Not same shit'; } foo(new String('bar hello foo 12312312b !")#(Y€#"#€#'));

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)
5.4.300.0110.03812.52
5.4.290.0060.03812.51
5.4.280.0080.03412.41
5.4.270.0020.04012.41
5.4.260.0070.03612.41
5.4.250.0060.03712.41
5.4.240.0100.03212.41
5.4.230.0050.03912.40
5.4.220.0060.03612.39
5.4.210.0080.03312.40
5.4.200.0090.03412.39
5.4.190.0100.03212.39
5.4.180.0050.03612.40
5.4.170.0080.03512.40
5.4.160.0050.03712.40
5.4.150.0080.03412.40
5.4.140.0090.03312.08
5.4.130.0070.03412.07
5.4.120.0070.03412.02
5.4.110.0040.03612.02
5.4.100.0050.03612.02
5.4.90.0040.04012.02
5.4.80.0040.03912.02
5.4.70.0060.03812.02
5.4.60.0040.03512.01
5.4.50.0060.03612.02
5.4.40.0050.03512.00
5.4.30.0040.03712.00
5.4.20.0080.03212.00
5.4.10.0050.03612.00
5.4.00.0040.03811.50
5.3.280.0040.04012.71
5.3.270.0070.03712.73
5.3.260.0050.04012.72
5.3.250.0040.03912.72
5.3.240.0090.03512.72
5.3.230.0050.03912.71
5.3.220.0110.03512.68
5.3.210.0080.04112.68
5.3.200.0070.03612.68
5.3.190.0100.03312.68
5.3.180.0060.03612.68
5.3.170.0050.03712.67
5.3.160.0100.03312.67
5.3.150.0090.03412.67
5.3.140.0020.04212.66
5.3.130.0050.04612.66
5.3.120.0070.03712.66
5.3.110.0090.03612.66
5.3.100.0090.03512.13
5.3.90.0180.02412.11
5.3.80.0070.03612.10
5.3.70.0060.03712.10
5.3.60.0160.03112.09
5.3.50.0050.03712.04
5.3.40.0050.03712.04
5.3.30.0060.03512.00
5.3.20.0070.03411.78
5.3.10.0010.04111.74
5.3.00.0050.03811.73
5.2.170.0050.0339.23
5.2.160.0080.0289.23
5.2.150.0030.0339.23
5.2.140.0070.0349.23
5.2.130.0030.0309.18
5.2.120.0030.0299.18
5.2.110.0050.0309.20
5.2.100.0010.0329.20
5.2.90.0070.0289.19
5.2.80.0040.0379.19
5.2.70.0070.0289.19
5.2.60.0080.0289.14
5.2.50.0040.0309.11
5.2.40.0050.0369.09
5.2.30.0050.0299.06
5.2.20.0040.0339.05
5.2.10.0060.0278.95
5.2.00.0070.0308.82
5.1.60.0020.0268.10
5.1.50.0010.0308.10
5.1.40.0040.0348.08
5.1.30.0040.0268.43
5.1.20.0060.0258.46
5.1.10.0030.0288.18
5.1.00.0050.0258.18
5.0.50.0050.0196.65
5.0.40.0040.0196.52
5.0.30.0040.0316.33
5.0.20.0050.0186.30
5.0.10.0030.0206.27
5.0.00.0040.0306.27
4.4.90.0040.0144.78
4.4.80.0080.0264.76
4.4.70.0050.0194.75
4.4.60.0030.0164.76
4.4.50.0050.0184.77
4.4.40.0040.0244.71
4.4.30.0020.0164.75
4.4.20.0010.0174.84
4.4.10.0020.0164.85
4.4.00.0030.0244.76
4.3.110.0010.0174.67
4.3.100.0010.0164.67
4.3.90.0030.0144.63
4.3.80.0040.0234.58
4.3.70.0020.0164.63
4.3.60.0020.0154.63
4.3.50.0030.0164.63
4.3.40.0030.0244.54
4.3.30.0010.0223.30
4.3.20.0020.0193.28
4.3.10.0030.0193.23
4.3.00.0030.01714.96

preferences:
143.66 ms | 1394 KiB | 7 Q