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; comparevar("var1 and var2", $var1, $var2); comparevar("var2 and var3", $var2, $var3); comparevar("var3 and var2", $var3, $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("var3 and var4", $var3, $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)
8.3.60.0070.01416.75
8.3.50.0100.00522.84
8.3.40.0140.00718.63
8.3.30.0140.00018.95
8.3.20.0040.00420.20
8.3.10.0040.00423.61
8.3.00.0080.00019.26
8.2.180.0040.01218.38
8.2.170.0090.00622.96
8.2.160.0130.00320.43
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00420.92
8.2.110.0030.00620.32
8.2.100.0080.00318.09
8.2.90.0040.00419.21
8.2.80.0030.00517.97
8.2.70.0060.00317.46
8.2.60.0080.00018.04
8.2.50.0080.00018.07
8.2.40.0000.01318.22
8.2.30.0060.00318.12
8.2.20.0060.00317.67
8.2.10.0070.00018.15
8.2.00.0000.00717.72
8.1.280.0110.00725.92
8.1.270.0080.00023.66
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0060.00322.81
8.1.230.0040.00717.64
8.1.220.0080.00017.76
8.1.210.0050.00318.77
8.1.200.0080.00017.35
8.1.190.0040.00417.22
8.1.180.0000.00818.10
8.1.170.0030.00518.49
8.1.160.0070.00022.02
8.1.150.0050.00318.85
8.1.140.0060.00317.40
8.1.130.0000.00717.80
8.1.120.0030.00317.50
8.1.110.0040.00417.51
8.1.100.0000.00817.50
8.1.90.0000.00717.56
8.1.80.0040.00417.50
8.1.70.0030.00317.50
8.1.60.0050.00517.68
8.1.50.0040.00417.55
8.1.40.0040.00417.58
8.1.30.0050.00317.66
8.1.20.0000.00817.63
8.1.10.0000.00717.57
8.1.00.0000.00817.54
8.0.300.0040.00418.77
8.0.290.0000.00816.88
8.0.280.0000.00818.41
8.0.270.0030.00317.20
8.0.260.0040.00417.23
8.0.250.0080.00017.04
8.0.240.0000.00817.03
8.0.230.0070.00016.98
8.0.220.0000.00716.84
8.0.210.0000.00717.01
8.0.200.0080.00016.97
8.0.190.0030.00517.09
8.0.180.0040.00417.04
8.0.170.0030.00516.96
8.0.160.0040.00416.99
8.0.150.0080.00016.95
8.0.140.0000.00716.92
8.0.130.0040.00413.39
8.0.120.0000.00817.01
8.0.110.0050.00317.05
8.0.100.0040.00417.06
8.0.90.0040.00416.91
8.0.80.0060.00917.04
8.0.70.0030.00516.83
8.0.60.0000.00817.05
8.0.50.0040.00416.79
8.0.30.0090.01217.30
8.0.20.0120.00717.40
8.0.10.0000.00817.19
8.0.00.0130.00716.75
7.4.330.0000.00615.00
7.4.320.0030.00316.65
7.4.300.0000.00716.65
7.4.290.0000.00716.63
7.4.280.0040.00416.46
7.4.270.0000.00716.64
7.4.260.0000.00816.56
7.4.250.0040.00416.44
7.4.240.0020.00516.46
7.4.230.0030.00316.43
7.4.220.0140.00416.76
7.4.210.0030.01616.51
7.4.200.0030.00316.55
7.4.160.0110.00816.61
7.4.150.0090.00917.40
7.4.140.0080.01017.86
7.4.130.0090.01116.58
7.4.120.0130.00516.42
7.4.110.0130.00316.48
7.4.100.0050.01316.75
7.4.90.0080.00916.64
7.4.80.0190.00319.39
7.4.70.0120.00916.45
7.4.60.0170.00016.57
7.4.50.0000.00816.64
7.4.40.0100.00816.55
7.4.30.0110.00616.59
7.4.00.0060.00915.08
7.3.330.0040.00313.29
7.3.320.0030.00313.41
7.3.310.0040.00416.29
7.3.300.0030.00316.52
7.3.290.0050.01016.43
7.3.280.0060.00916.49
7.3.270.0060.01417.40
7.3.260.0160.01016.56
7.3.250.0100.01216.58
7.3.240.0070.01016.41
7.3.230.0090.00916.44
7.3.210.0060.01216.71
7.3.200.0000.01719.39
7.3.190.0120.00916.68
7.3.180.0060.01216.58
7.3.170.0110.00616.30
7.3.160.0130.00316.43
7.2.330.0090.01416.71
7.2.320.0100.00716.56
7.2.310.0120.00916.66
7.2.300.0080.00816.68
7.2.290.0090.00716.75
7.2.60.0030.01016.95
7.1.200.0060.00315.78
7.1.70.0040.00417.23
7.1.60.0130.01019.46
7.1.50.0150.00316.98
7.1.00.0070.07322.30
7.0.200.0070.00316.68
7.0.140.0030.07321.95
7.0.60.0000.04319.88
7.0.50.0100.07717.87
7.0.40.0170.08020.27
7.0.30.0530.06320.28
7.0.20.0270.05320.24
7.0.10.0130.05020.06
7.0.00.0100.04720.23
5.6.280.0130.06721.11
5.6.210.0000.04720.76
5.6.200.0030.05318.25
5.6.190.0100.03720.39
5.6.180.3200.04720.48
5.6.170.0200.08320.73
5.6.160.0200.07720.57
5.6.150.0030.08318.18
5.6.140.0130.06018.15
5.6.130.0170.08018.18
5.6.120.0070.07020.77
5.6.110.0100.05321.00
5.6.100.0070.07720.97
5.6.90.0130.07721.04
5.6.80.0100.07320.39
5.5.350.0230.08020.34
5.5.340.0100.07717.96
5.5.330.0070.04020.27
5.5.320.0400.07020.37
5.5.310.0230.04320.39
5.5.300.0030.08317.97
5.5.290.0130.08018.00
5.5.280.0000.04320.66
5.5.270.0070.05720.79
5.5.260.0230.06720.88
5.5.250.0130.06720.59
5.5.240.0270.07320.14
5.4.450.0130.05019.42
5.4.440.0330.02719.57
5.4.430.0230.04019.32
5.4.420.0230.04019.55
5.4.410.0230.05019.19
5.4.400.0200.04019.15
5.4.390.0370.04319.22
5.4.380.0430.05018.71
5.4.370.0370.05018.57
5.4.360.0370.04718.78
5.4.350.0300.05318.78
5.4.340.0330.04718.63
5.4.320.0070.03512.51
5.4.310.0040.03912.52
5.4.300.0080.03412.52
5.4.290.0090.03412.51
5.4.280.0090.03312.41
5.4.270.0020.04412.41
5.4.260.0080.03812.41
5.4.250.0050.03812.41
5.4.240.0080.03512.41
5.4.230.0070.03712.40
5.4.220.0030.03912.40
5.4.210.0050.03612.40
5.4.200.0070.03612.41
5.4.190.0070.03412.40
5.4.180.0050.03712.40
5.4.170.0040.03712.41
5.4.160.0100.03112.41
5.4.150.0070.03612.40
5.4.140.0050.03812.08
5.4.130.0090.03512.07
5.4.120.0110.03012.02
5.4.110.0060.03512.03
5.4.100.0040.04112.02
5.4.90.0070.03612.02
5.4.80.0060.03712.02
5.4.70.0040.03612.02
5.4.60.0060.03312.02
5.4.50.0040.03612.02
5.4.40.0040.03712.01
5.4.30.0040.03712.00
5.4.20.0030.03812.01
5.4.10.0050.03512.00
5.4.00.0060.03511.50
5.3.290.0030.04212.80
5.3.280.0080.03512.71
5.3.270.0030.04212.73
5.3.260.0070.03812.72
5.3.250.0030.04012.72
5.3.240.0050.03912.72
5.3.230.0060.04012.71
5.3.220.0090.03412.68
5.3.210.0100.04612.68
5.3.200.0080.03412.68
5.3.190.0030.03912.68
5.3.180.0090.03312.67
5.3.170.0070.03512.67
5.3.160.0060.03612.67
5.3.150.0080.03912.67
5.3.140.0030.04512.66
5.3.130.0070.03912.66
5.3.120.0080.03612.66
5.3.110.0040.04112.66
5.3.100.0050.03812.14
5.3.90.0010.04112.12
5.3.80.0050.03812.11
5.3.70.0050.03812.11
5.3.60.0060.03712.10
5.3.50.0050.03612.05
5.3.40.0050.03612.05
5.3.30.0060.03512.00
5.3.20.0050.03611.79
5.3.10.0040.03611.75
5.3.00.0040.03811.74
5.2.170.0040.0339.24
5.2.160.0040.0309.24
5.2.150.0030.0329.24
5.2.140.0040.0319.24
5.2.130.0020.0309.20
5.2.120.0020.0309.20
5.2.110.0070.0279.20
5.2.100.0050.0289.19
5.2.90.0040.0299.20
5.2.80.0020.0379.19
5.2.70.0040.0319.19
5.2.60.0050.0309.14
5.2.50.0080.0279.12
5.2.40.0060.0309.10
5.2.30.0070.0399.07
5.2.20.0020.0379.06
5.2.10.0060.0278.98
5.2.00.0030.0318.84
5.1.60.0020.0278.13
5.1.50.0040.0258.12
5.1.40.0030.0288.10
5.1.30.0010.0288.45
5.1.20.0060.0248.47
5.1.10.0040.0278.20
5.1.00.0060.0278.20
5.0.50.0020.0286.69
5.0.40.0030.0206.55
5.0.30.0040.0306.36
5.0.20.0060.0166.34
5.0.10.0040.0196.32
5.0.00.0030.0316.31
4.4.90.0020.0164.78
4.4.80.0030.0154.75
4.4.70.0040.0164.76
4.4.60.0030.0154.76
4.4.50.0040.0144.77
4.4.40.0020.0264.71
4.4.30.0030.0154.75
4.4.20.0040.0154.84
4.4.10.0040.0144.85
4.4.00.0040.0324.76
4.3.110.0030.0154.67
4.3.100.0020.0154.67
4.3.90.0010.0164.63
4.3.80.0020.0254.61
4.3.70.0010.0164.63
4.3.60.0030.0144.63
4.3.50.0030.0154.63
4.3.40.0050.0234.56
4.3.30.0010.0173.37
4.3.20.0020.0163.35
4.3.10.0040.0153.30
4.3.00.0070.01315.68

preferences:
47.08 ms | 401 KiB | 5 Q