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: comparevar("var2 and var3", $var2, $var3); comparevar("var3 and var2", $var3, $var2); comparevar("var2 and var4", $var2, $var4); comparevar("var4 and var2", $var4, $var2); 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("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)
8.3.60.0070.01016.75
8.3.50.0140.00522.82
8.3.40.0100.01018.85
8.3.30.0150.00018.68
8.3.20.0040.00420.30
8.3.10.0040.00423.56
8.3.00.0080.00019.21
8.2.180.0120.00318.40
8.2.170.0110.00422.96
8.2.160.0060.01020.53
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0080.00020.81
8.2.110.0050.00520.53
8.2.100.0040.00718.16
8.2.90.0040.00419.28
8.2.80.0000.00817.97
8.2.70.0080.00017.63
8.2.60.0030.00517.93
8.2.50.0040.00418.07
8.2.40.0080.00418.21
8.2.30.0080.00017.96
8.2.20.0080.00017.84
8.2.10.0050.00318.15
8.2.00.0000.00717.71
8.1.280.0120.00625.92
8.1.270.0040.00422.06
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0080.00021.95
8.1.230.0110.00019.04
8.1.220.0000.00817.78
8.1.210.0040.00418.77
8.1.200.0030.00617.22
8.1.190.0060.00317.22
8.1.180.0050.00318.10
8.1.170.0040.00418.72
8.1.160.0000.00822.09
8.1.150.0040.00418.79
8.1.140.0000.01017.42
8.1.130.0000.00717.80
8.1.120.0000.00817.50
8.1.110.0080.00017.39
8.1.100.0000.00817.31
8.1.90.0040.00417.48
8.1.80.0000.00717.52
8.1.70.0000.00717.39
8.1.60.0040.00417.61
8.1.50.0080.00017.63
8.1.40.0070.00017.44
8.1.30.0050.00317.63
8.1.20.0000.00817.59
8.1.10.0050.00217.54
8.1.00.0040.00417.50
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00718.48
8.0.270.0030.00317.37
8.0.260.0060.00017.29
8.0.250.0070.00017.07
8.0.240.0040.00417.10
8.0.230.0040.00417.04
8.0.220.0020.00516.97
8.0.210.0000.00716.95
8.0.200.0000.00717.07
8.0.190.0060.00317.03
8.0.180.0000.00817.01
8.0.170.0000.00716.92
8.0.160.0000.00816.92
8.0.150.0050.00316.84
8.0.140.0040.00416.89
8.0.130.0000.00813.36
8.0.120.0000.00916.93
8.0.110.0030.00516.96
8.0.100.0070.00017.05
8.0.90.0040.00417.05
8.0.80.0070.00817.04
8.0.70.0000.00717.01
8.0.60.0030.00616.94
8.0.50.0040.00416.94
8.0.30.0100.01016.97
8.0.20.0090.00917.40
8.0.10.0080.00017.15
8.0.00.0150.00316.74
7.4.330.0030.00415.00
7.4.320.0000.00716.62
7.4.300.0030.00316.66
7.4.290.0000.00716.64
7.4.280.0040.00416.46
7.4.270.0030.00316.55
7.4.260.0000.00716.60
7.4.250.0040.00416.59
7.4.240.0080.00016.58
7.4.230.0070.00016.57
7.4.220.0030.01416.66
7.4.210.0040.01116.56
7.4.200.0000.00716.72
7.4.160.0110.00816.59
7.4.150.0080.01317.40
7.4.140.0050.01217.86
7.4.130.0100.00816.61
7.4.120.0060.01316.60
7.4.110.0080.00816.69
7.4.100.0090.00916.60
7.4.90.0110.00516.63
7.4.80.0090.00919.39
7.4.70.0140.00716.57
7.4.60.0040.01216.57
7.4.50.0000.00816.48
7.4.40.0080.00816.67
7.4.30.0070.01316.50
7.4.10.0030.01414.78
7.4.00.0090.00915.08
7.3.330.0000.00613.46
7.3.320.0000.00613.23
7.3.310.0030.00316.27
7.3.300.0070.00016.32
7.3.290.0000.01616.46
7.3.280.0050.01116.44
7.3.270.0180.00017.40
7.3.260.0180.00716.61
7.3.250.0100.00716.53
7.3.240.0130.00616.61
7.3.230.0080.00816.70
7.3.210.0030.01416.64
7.3.200.0000.01619.39
7.3.190.0030.01316.46
7.3.180.0080.00816.37
7.3.170.0060.00916.41
7.3.160.0130.00316.55
7.3.130.0060.01214.77
7.3.120.0120.00614.91
7.3.110.0090.00915.00
7.3.100.0130.00314.92
7.3.90.0060.00914.75
7.3.80.0030.00714.64
7.3.70.0100.00314.73
7.3.60.0060.00614.95
7.3.50.0070.00314.88
7.3.40.0080.00814.95
7.3.30.0060.00614.91
7.3.20.0070.01116.51
7.3.10.0070.00816.54
7.3.00.0060.00616.66
7.2.330.0030.01516.73
7.2.320.0180.00016.34
7.2.310.0030.01916.32
7.2.300.0140.00716.49
7.2.290.0080.01116.44
7.2.260.0100.00715.12
7.2.250.0030.01514.79
7.2.240.0040.01415.19
7.2.230.0060.00915.15
7.2.220.0110.00414.81
7.2.210.0100.00614.80
7.2.200.0070.01014.98
7.2.190.0100.00314.96
7.2.180.0060.00915.05
7.2.170.0000.01415.14
7.2.160.0040.00714.98
7.2.150.0130.00316.84
7.2.140.0090.00616.50
7.2.130.0090.00516.87
7.2.120.0050.00916.84
7.2.110.0010.01316.78
7.2.100.0030.01216.84
7.2.90.0080.00916.88
7.2.80.0080.00816.96
7.2.70.0070.00816.93
7.2.60.0110.00816.81
7.2.50.0040.01016.92
7.2.40.0040.01216.75
7.2.30.0070.00716.87
7.2.20.0040.00916.87
7.2.10.0030.00816.86
7.2.00.0050.00917.39
7.1.330.0070.00715.82
7.1.320.0100.00715.78
7.1.310.0040.01115.86
7.1.300.0000.01115.84
7.1.290.0100.00315.51
7.1.280.0060.00615.64
7.1.270.0060.00615.75
7.1.260.0060.00915.91
7.1.250.0050.00815.71
7.1.240.0030.01015.72
7.1.230.0070.00315.74
7.1.220.0060.01115.78
7.1.210.0060.00915.88
7.1.200.0080.00615.35
7.1.190.0070.00415.84
7.1.180.0090.00315.71
7.1.170.0030.01215.92
7.1.160.0030.01015.81
7.1.150.0030.00615.96
7.1.140.0080.00015.84
7.1.130.0030.01015.69
7.1.120.0120.00015.46
7.1.110.0090.00015.70
7.1.100.0050.00816.63
7.1.90.0000.01415.67
7.1.80.0070.00315.44
7.1.70.0070.00416.49
7.1.60.0070.01117.56
7.1.50.0070.01525.06
7.1.40.0060.00615.83
7.1.30.0030.01015.51
7.1.20.0070.00715.66
7.1.10.0070.00715.57
7.1.00.0070.04119.09
7.0.330.0040.01115.20
7.0.320.0040.00715.46
7.0.310.0040.01215.60
7.0.300.0000.01115.50
7.0.290.0040.01115.22
7.0.280.0000.01315.29
7.0.270.0030.00715.06
7.0.260.0100.00315.20
7.0.250.0100.00315.24
7.0.240.0060.00615.33
7.0.230.0040.00815.25
7.0.220.0070.00715.49
7.0.210.0000.01515.45
7.0.200.0020.01016.08
7.0.190.0030.01415.21
7.0.180.0000.01415.15
7.0.170.0000.00915.31
7.0.160.0060.00915.56
7.0.150.0040.01115.50
7.0.140.0030.04118.72
7.0.130.0000.01415.34
7.0.120.0070.00715.47
7.0.110.0000.00815.34
7.0.100.0040.01215.41
7.0.90.0030.00915.50
7.0.80.0030.01015.27
7.0.70.0090.00615.39
7.0.60.0140.04217.70
7.0.50.0020.02816.71
7.0.40.0070.04216.96
7.0.30.0350.03316.75
7.0.20.0210.04116.80
7.0.10.0080.04516.76
7.0.00.0100.03916.83
5.6.400.0030.00713.95
5.6.390.0040.01114.26
5.6.380.0100.00714.43
5.6.370.0030.01214.46
5.6.360.0080.00414.45
5.6.350.0000.01614.33
5.6.340.0040.00714.24
5.6.330.0030.01014.04
5.6.320.0070.00714.17
5.6.310.0000.01314.70
5.6.300.0090.00014.33
5.6.290.0060.00314.33
5.6.280.0050.03817.57
5.6.270.0030.00914.17
5.6.260.0120.00314.07
5.6.250.0070.00714.08
5.6.240.0060.00314.48
5.6.230.0030.00714.46
5.6.220.0060.00614.01
5.6.210.0080.02317.37
5.6.200.0050.04016.31
5.6.190.0020.02817.50
5.6.180.1950.02517.41
5.6.170.0180.04217.24
5.6.160.0070.03517.47
5.6.150.0080.02816.13
5.6.140.0060.02316.26
5.6.130.0100.04016.13
5.6.120.0050.02317.65
5.6.110.0070.03817.58
5.6.100.0090.04417.52
5.6.90.0010.03417.55
5.6.80.0050.04417.37
5.6.70.0050.00514.29
5.6.60.0030.01014.29
5.6.50.0030.01314.54
5.6.40.0110.00414.09
5.6.30.0030.00614.33
5.6.20.0090.00614.40
5.6.10.0040.00414.03
5.6.00.0060.00914.27
5.5.380.0070.00413.96
5.5.370.0040.01114.22
5.5.360.0030.00913.88
5.5.350.0180.04217.37
5.5.340.0050.04916.18
5.5.330.0020.02717.28
5.5.320.0200.03817.39
5.5.310.0130.03817.29
5.5.300.0040.04415.96
5.5.290.0000.02916.07
5.5.280.0070.04317.39
5.5.270.0070.04617.55
5.5.260.0030.02917.63
5.5.250.0030.05017.40
5.5.240.0100.04317.25
5.5.230.0140.00014.32
5.5.220.0110.00014.36
5.5.210.0030.00914.16
5.5.200.0040.00414.48
5.5.190.0030.01014.30
5.5.180.0110.00414.00
5.5.170.0090.00014.38
5.5.160.0030.01014.08
5.5.150.0080.00814.25
5.5.140.0050.00514.14
5.5.130.0030.01314.34
5.5.120.0060.00613.99
5.5.110.0030.00914.07
5.5.100.0060.00914.06
5.5.90.0130.00014.34
5.5.80.0100.00314.05
5.5.70.0000.01214.29
5.5.60.0030.00713.93
5.5.50.0070.01114.33
5.5.40.0060.00614.36
5.5.30.0030.00814.34
5.5.20.0090.00613.95
5.5.10.0040.00814.15
5.5.00.0060.00614.07
5.4.450.0080.02715.13
5.4.440.0140.02515.28
5.4.430.0120.02515.27
5.4.420.0200.02415.25
5.4.410.0210.01615.38
5.4.400.0130.02215.05
5.4.390.0050.02814.81
5.4.380.0180.04214.92
5.4.370.0280.03314.96
5.4.360.0270.03214.82
5.4.350.0200.03214.82
5.4.340.0280.03214.79
5.4.330.0060.00611.08
5.4.320.0050.02311.65
5.4.310.0060.02011.74
5.4.300.0050.02111.76
5.4.290.0070.02511.75
5.4.280.0100.02311.58
5.4.270.0030.02511.58
5.4.260.0070.02011.68
5.4.250.0020.02311.75
5.4.240.0050.02211.71
5.4.230.0040.02511.67
5.4.220.0070.01911.74
5.4.210.0050.02211.54
5.4.200.0070.01811.51
5.4.190.0070.01911.58
5.4.180.0050.02011.74
5.4.170.0030.02511.71
5.4.160.0070.02211.59
5.4.150.0020.02511.76
5.4.140.0070.02211.43
5.4.130.0040.02011.71
5.4.120.0080.01811.61
5.4.110.0020.02211.56
5.4.100.0100.01711.56
5.4.90.0040.02311.54
5.4.80.0070.02011.56
5.4.70.0050.01911.39
5.4.60.0010.02511.57
5.4.50.0040.02011.62
5.4.40.0020.02211.53
5.4.30.0070.01911.47
5.4.20.0080.01911.61
5.4.10.0050.02111.43
5.4.00.0040.02211.19
5.3.290.0070.03812.80
5.3.280.0050.04212.71
5.3.270.0050.04012.72
5.3.260.0070.03812.71
5.3.250.0090.04112.72
5.3.240.0060.03712.72
5.3.230.0020.04112.71
5.3.220.0080.03412.68
5.3.210.0040.04212.68
5.3.200.0070.04312.68
5.3.190.0070.04212.67
5.3.180.0060.03812.67
5.3.170.0090.03512.67
5.3.160.0060.03712.67
5.3.150.0070.03612.67
5.3.140.0050.03712.66
5.3.130.0040.03912.66
5.3.120.0060.05112.66
5.3.110.0040.04612.66
5.3.100.0090.03712.14
5.3.90.0060.04112.12
5.3.80.0070.04312.11
5.3.70.0030.04312.11
5.3.60.0070.03512.09
5.3.50.0070.03512.05
5.3.40.0080.03712.05
5.3.30.0080.03312.00
5.3.20.0080.03311.79
5.3.10.0060.03411.75
5.3.00.0060.03611.74
5.2.170.0030.0329.24
5.2.160.0060.0309.24
5.2.150.0090.0349.24
5.2.140.0070.0299.23
5.2.130.0060.0299.20
5.2.120.0060.0279.20
5.2.110.0040.0309.20
5.2.100.0020.0319.20
5.2.90.0070.0329.20
5.2.80.0030.0339.20
5.2.70.0090.0329.20
5.2.60.0040.0339.15
5.2.50.0080.0339.12
5.2.40.0040.0299.10
5.2.30.0030.0319.07
5.2.20.0050.0299.06
5.2.10.0110.0238.98
5.2.00.0040.0308.85
5.1.60.0050.0258.12
5.1.50.0080.0298.12
5.1.40.0040.0258.11
5.1.30.0050.0258.45
5.1.20.0040.0268.48
5.1.10.0030.0278.20
5.1.00.0050.0248.20
5.0.50.0030.0216.69
5.0.40.0040.0236.56
5.0.30.0060.0316.36
5.0.20.0050.0246.34
5.0.10.0070.0166.32
5.0.00.0020.0336.32
4.4.90.0020.0224.78
4.4.80.0040.0184.76
4.4.70.0020.0184.76
4.4.60.0020.0174.76
4.4.50.0020.0174.77
4.4.40.0050.0234.71
4.4.30.0050.0134.76
4.4.20.0040.0154.84
4.4.10.0010.0184.85
4.4.00.0030.0254.76
4.3.110.0010.0174.67
4.3.100.0010.0164.66
4.3.90.0010.0174.63
4.3.80.0020.0254.62
4.3.70.0030.0144.63
4.3.60.0020.0154.62
4.3.50.0010.0174.62
4.3.40.0040.0234.56
4.3.30.0060.0123.37
4.3.20.0050.0173.35
4.3.10.0020.0163.31
4.3.00.0130.01715.68

preferences:
66.25 ms | 401 KiB | 5 Q