3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var1 = '123'; $var2 = '456A'; $var3 = '78'; $var4 = (int) $var2; $var5 = (float) $var2; $var6 = $var2 + 0; $var7 = 0 + $var2; # the weird bit: say("start weird bit"); say("string comparison?"); comparevar("var2 and var3", $var2, $var3); comparevar("var3 and var2", $var3, $var2); say("number comarison?"); comparevar("var3 and var4", $var3, $var4); comparevar("var4 and var3", $var4, $var3); comparevar("var2 and var4", $var2, $var4); comparevar("var4 and var2", $var4, $var2); if (($var2 < $var3) and ($var4 > $var3) and ($var2 == $var4)) { say("($var2 < $var3) and ($var4 > $var3) and ($var2 == $var4)"); say("is this a bug?"); } say("end weird bit"); comparevar("var1 and var2", $var1, $var2); comparevar("var3 and var1", $var3, $var1); comparevar("var2 and var1", $var2, $var1); comparevar("var4 and var5", $var4, $var5); comparevar("var5 and var6", $var5, $var6); comparevar("var6 and var7", $var6, $var7); comparevar("var2 and var4", $var2, $var4); comparevar("var2 and var5", $var2, $var5); comparevar("var2 and var6", $var2, $var6); function comparevar($tag, $arg1, $arg2) { echo("$tag: "); if ($arg1 === $arg2) { say("$arg1 === $arg2"); } if ($arg1 == $arg2) { say("$arg1 == $arg2"); } if ($arg1 < $arg2) { say("$arg1 < $arg2"); } if ($arg1 > $arg2) { say("$arg1 > $arg2"); } } function say($str) { echo $str, "\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)
8.3.60.0130.00316.63
8.3.50.0100.00722.82
8.3.40.0090.00618.92
8.3.30.0060.01019.03
8.3.20.0070.00020.34
8.3.10.0060.00323.48
8.3.00.0080.00019.25
8.2.180.0070.01116.50
8.2.170.0140.00022.96
8.2.160.0110.00420.39
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0060.00326.16
8.2.120.0000.00821.04
8.2.110.0100.00722.20
8.2.100.0110.00018.09
8.2.90.0030.00619.08
8.2.80.0040.00417.97
8.2.70.0060.00317.63
8.2.60.0000.00817.93
8.2.50.0080.00018.07
8.2.40.0030.00619.94
8.2.30.0060.00318.13
8.2.20.0000.00717.79
8.2.10.0000.00818.21
8.2.00.0050.00317.71
8.1.280.0150.00625.92
8.1.270.0000.00922.04
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0110.00023.97
8.1.230.0040.00819.07
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0030.00617.25
8.1.190.0090.00017.22
8.1.180.0080.00018.10
8.1.170.0040.00418.62
8.1.160.0040.00422.07
8.1.150.0000.00718.99
8.1.140.0090.00017.54
8.1.130.0000.00717.74
8.1.120.0030.00417.50
8.1.110.0000.00717.48
8.1.100.0040.00417.38
8.1.90.0040.00417.55
8.1.80.0000.00717.40
8.1.70.0070.00017.49
8.1.60.0070.00017.58
8.1.50.0040.00417.50
8.1.40.0040.00417.41
8.1.30.0040.00417.59
8.1.20.0000.00817.55
8.1.10.0000.00717.57
8.1.00.0070.00017.48
8.0.300.0060.00318.77
8.0.290.0040.00417.00
8.0.280.0040.00418.45
8.0.270.0040.00416.80
8.0.260.0030.00317.30
8.0.250.0070.00017.07
8.0.240.0030.00517.06
8.0.230.0040.00417.05
8.0.220.0050.00316.96
8.0.210.0040.00417.06
8.0.200.0040.00417.07
8.0.190.0040.00416.94
8.0.180.0070.00417.03
8.0.170.0040.00417.01
8.0.160.0050.00216.98
8.0.150.0040.00416.98
8.0.140.0020.00516.86
8.0.130.0040.00413.50
8.0.120.0030.00517.00
8.0.110.0080.00016.98
8.0.100.0000.00716.95
8.0.90.0040.00416.98
8.0.80.0070.00716.89
8.0.70.0070.00016.99
8.0.60.0080.00016.86
8.0.50.0040.00416.86
8.0.30.0110.00917.05
8.0.20.0140.00817.44
8.0.10.0000.00816.96
8.0.00.0070.01416.88
7.4.330.0030.00315.08
7.4.320.0050.00216.69
7.4.300.0040.00416.61
7.4.290.0000.00716.55
7.4.280.0000.00716.64
7.4.270.0000.00716.67
7.4.260.0030.00316.56
7.4.250.0000.00916.62
7.4.240.0030.00516.52
7.4.230.0070.00016.67
7.4.220.0040.01616.67
7.4.210.0140.00016.47
7.4.200.0000.00716.54
7.4.160.0080.00816.50
7.4.150.0070.01017.40
7.4.140.0070.01117.86
7.4.130.0080.01116.55
7.4.120.0090.00716.64
7.4.110.0090.00916.43
7.4.100.0120.01016.73
7.4.90.0000.01816.66
7.4.80.0030.01519.39
7.4.70.0070.01016.79
7.4.60.0100.00716.49
7.4.50.0030.00616.33
7.4.40.0150.00716.49
7.4.30.0130.00316.47
7.4.00.0040.01114.89
7.3.330.0030.00313.32
7.3.320.0000.00513.50
7.3.310.0070.00016.46
7.3.300.0070.00016.52
7.3.290.0110.00516.41
7.3.280.0080.01016.47
7.3.270.0160.00317.40
7.3.260.0120.00716.60
7.3.250.0150.00316.45
7.3.240.0060.01216.50
7.3.230.0040.01416.67
7.3.210.0140.00616.48
7.3.200.0120.00519.39
7.3.190.0150.00316.65
7.3.180.0080.00816.40
7.3.170.0060.01016.59
7.3.160.0120.00416.48
7.2.330.0030.01516.70
7.2.320.0070.01116.64
7.2.310.0130.01016.35
7.2.300.0080.00816.68
7.2.290.0110.00616.41
7.2.60.0100.00316.74
7.2.00.0030.01219.43
7.1.200.0040.01214.98
7.1.100.0000.01117.93
7.1.70.0030.00917.16
7.1.60.0180.00719.46
7.1.50.0260.01034.47
7.1.00.0100.08322.57
7.0.200.0040.00416.48
7.0.140.0100.06722.10
7.0.60.0130.08020.10
7.0.50.0070.05717.74
7.0.40.0000.05020.25
7.0.30.0270.05320.08
7.0.20.0200.06720.09
7.0.10.0030.08720.38
7.0.00.0070.04720.33
5.6.280.0070.07321.12
5.6.210.0230.05020.75
5.6.200.0000.05318.18
5.6.190.0100.07320.55
5.6.180.0200.08320.69
5.6.170.0270.08020.71
5.6.160.0100.04020.57
5.6.150.0000.05318.19
5.6.140.0070.04018.27
5.6.130.0070.04718.18
5.6.120.0130.07721.02
5.6.110.0000.04320.98
5.6.100.0030.04321.15
5.6.90.0030.04021.12
5.6.80.0030.05320.41
5.5.350.0230.06320.39
5.5.340.0100.06717.96
5.5.330.0100.05320.47
5.5.320.0000.09320.52
5.5.310.0270.05720.42
5.5.300.0130.08018.04
5.5.290.0070.08318.02
5.5.280.0030.05720.66
5.5.270.0100.04320.74
5.5.260.0030.04020.80
5.5.250.0030.08720.68
5.5.240.0000.05720.30
5.4.450.0370.03019.64
5.4.440.0130.05319.43
5.4.430.0300.03719.63
5.4.420.0200.04719.41
5.4.410.0270.04319.34
5.4.400.0370.03719.14
5.4.390.0130.04719.20
5.4.380.0230.06718.52
5.4.370.0500.05018.64
5.4.360.0370.06018.58
5.4.350.0330.05718.49
5.4.340.0400.04718.73
5.4.320.0070.03512.52
5.4.310.0050.04212.52
5.4.300.0040.03912.52
5.4.290.0050.03912.52
5.4.280.0070.03712.41
5.4.270.0070.04212.42
5.4.260.0060.03912.41
5.4.250.0050.03812.42
5.4.240.0070.03612.41
5.4.230.0090.03512.40
5.4.220.0090.03412.40
5.4.210.0070.03512.40
5.4.200.0040.04012.41
5.4.190.0100.03212.40
5.4.180.0080.03812.40
5.4.170.0110.04612.41
5.4.160.0090.03712.41
5.4.150.0080.03512.41
5.4.140.0080.03512.09
5.4.130.0100.03512.07
5.4.120.0090.03312.04
5.4.110.0070.03512.03
5.4.100.0050.03712.03
5.4.90.0050.03812.03
5.4.80.0040.03912.02
5.4.70.0070.03312.03
5.4.60.0070.03912.02
5.4.50.0050.03612.02
5.4.40.0070.03312.01
5.4.30.0030.03912.01
5.4.20.0040.03812.00
5.4.10.0070.03412.01
5.4.00.0050.04111.50
5.3.290.0040.04312.80
5.3.280.0100.03412.71
5.3.270.0080.03712.72
5.3.260.0100.03712.72
5.3.250.0040.03912.72
5.3.240.0090.03612.72
5.3.230.0080.04112.71
5.3.220.0060.03712.68
5.3.210.0060.03912.68
5.3.200.0060.03812.68
5.3.190.0060.03712.68
5.3.180.0070.03612.67
5.3.170.0080.03712.67
5.3.160.0070.03512.68
5.3.150.0100.03312.67
5.3.140.0070.03612.66
5.3.130.0050.04012.66
5.3.120.0040.04012.66
5.3.110.0070.03812.66
5.3.100.0040.04412.15
5.3.90.0090.03412.13
5.3.80.0060.03612.12
5.3.70.0090.03412.12
5.3.60.0060.03812.11
5.3.50.0090.03412.05
5.3.40.0070.03612.05
5.3.30.0070.03412.01
5.3.20.0060.03511.79
5.3.10.0070.03411.76
5.3.00.0030.04111.75
5.2.170.0060.0299.25
5.2.160.0040.0329.24
5.2.150.0040.0329.24
5.2.140.0050.0369.24
5.2.130.0050.0379.20
5.2.120.0070.0279.20
5.2.110.0070.0279.21
5.2.100.0060.0289.20
5.2.90.0060.0299.20
5.2.80.0070.0299.20
5.2.70.0040.0309.20
5.2.60.0050.0309.16
5.2.50.0070.0279.13
5.2.40.0050.0289.11
5.2.30.0060.0289.08
5.2.20.0090.0259.07
5.2.10.0020.0308.98
5.2.00.0050.0298.85
5.1.60.0060.0228.13
5.1.50.0020.0278.13
5.1.40.0050.0248.11
5.1.30.0040.0268.46
5.1.20.0070.0248.48
5.1.10.0070.0248.21
5.1.00.0020.0278.21
5.0.50.0050.0196.70
5.0.40.0030.0266.57
5.0.30.0030.0316.37
5.0.20.0000.0236.35
5.0.10.0020.0216.34
5.0.00.0050.0296.33
4.4.90.0030.0164.78
4.4.80.0030.0154.75
4.4.70.0030.0154.76
4.4.60.0030.0154.75
4.4.50.0050.0134.77
4.4.40.0020.0264.71
4.4.30.0030.0154.76
4.4.20.0030.0154.84
4.4.10.0030.0154.85
4.4.00.0030.0254.76
4.3.110.0040.0154.67
4.3.100.0040.0144.66
4.3.90.0030.0154.64
4.3.80.0030.0254.63
4.3.70.0020.0154.63
4.3.60.0000.0174.63
4.3.50.0010.0174.63
4.3.40.0040.0224.57
4.3.30.0000.0183.39
4.3.20.0030.0153.37
4.3.10.0020.0153.32
4.3.00.0330.02715.05

preferences:
53.79 ms | 401 KiB | 5 Q