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); 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)
8.3.60.0120.00416.63
8.3.50.0120.00622.91
8.3.40.0150.00018.46
8.3.30.0110.00718.88
8.3.20.0040.00420.21
8.3.10.0040.00423.66
8.3.00.0080.00019.38
8.2.180.0000.01518.54
8.2.170.0060.00922.96
8.2.160.0090.00620.22
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0090.00026.16
8.2.120.0040.00420.98
8.2.110.0070.00319.30
8.2.100.0040.00717.91
8.2.90.0000.00819.19
8.2.80.0050.00317.97
8.2.70.0000.00817.63
8.2.60.0050.00217.93
8.2.50.0000.00818.07
8.2.40.0110.00018.16
8.2.30.0040.00418.09
8.2.20.0050.00317.83
8.2.10.0020.00518.08
8.2.00.0000.00717.95
8.1.280.0140.00725.92
8.1.270.0040.00422.09
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0060.00322.06
8.1.230.0030.00718.87
8.1.220.0050.00317.80
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0080.00017.38
8.1.180.0000.00818.10
8.1.170.0040.00418.52
8.1.160.0000.00722.05
8.1.150.0070.00018.96
8.1.140.0030.00717.37
8.1.130.0000.00717.90
8.1.120.0040.00417.51
8.1.110.0000.00817.45
8.1.100.0040.00417.39
8.1.90.0030.00517.38
8.1.80.0050.00317.49
8.1.70.0040.00417.37
8.1.60.0040.00417.45
8.1.50.0040.00417.60
8.1.40.0040.00417.44
8.1.30.0000.00817.47
8.1.20.0000.01017.67
8.1.10.0000.00717.46
8.1.00.0000.00717.46
8.0.300.0070.00018.77
8.0.290.0050.00316.88
8.0.280.0050.00318.43
8.0.270.0040.00417.29
8.0.260.0030.00317.39
8.0.250.0030.00317.09
8.0.240.0060.00317.05
8.0.230.0040.00416.93
8.0.220.0030.00316.97
8.0.210.0030.00417.04
8.0.200.0030.00317.12
8.0.190.0000.00816.96
8.0.180.0070.00317.02
8.0.170.0040.00417.00
8.0.160.0070.00017.03
8.0.150.0070.00016.77
8.0.140.0040.00416.78
8.0.130.0030.00613.46
8.0.120.0080.00016.86
8.0.110.0000.00716.97
8.0.100.0040.00416.93
8.0.90.0040.00416.85
8.0.80.0120.00317.04
8.0.70.0050.00216.88
8.0.60.0040.00416.79
8.0.50.0050.00317.01
8.0.30.0060.01317.36
8.0.20.0170.00317.40
8.0.10.0040.00416.91
8.0.00.0060.01216.75
7.4.330.0040.00215.00
7.4.320.0070.00016.56
7.4.300.0060.00016.57
7.4.290.0030.00316.68
7.4.280.0070.00016.45
7.4.270.0000.00716.58
7.4.260.0040.00416.51
7.4.250.0080.00016.50
7.4.240.0020.00616.63
7.4.230.0030.00316.72
7.4.220.0070.01116.64
7.4.210.0060.00916.54
7.4.200.0040.00416.66
7.4.160.0090.00616.73
7.4.150.0090.00917.40
7.4.140.0070.01117.86
7.4.130.0110.00516.54
7.4.120.0120.00516.52
7.4.110.0120.01216.52
7.4.100.0060.01316.58
7.4.90.0130.00916.46
7.4.80.0120.00619.39
7.4.70.0160.00316.58
7.4.60.0030.01216.43
7.4.50.0060.00016.65
7.4.40.0060.01016.42
7.4.30.0030.01316.63
7.4.10.0120.00314.88
7.4.00.0120.00514.96
7.3.330.0060.00013.43
7.3.320.0000.00513.41
7.3.310.0030.00316.45
7.3.300.0030.00316.47
7.3.290.0080.01116.52
7.3.280.0090.00716.46
7.3.270.0090.00917.40
7.3.260.0110.00816.34
7.3.250.0110.01016.47
7.3.240.0140.00416.45
7.3.230.0110.01116.65
7.3.210.0140.00316.80
7.3.200.0060.01019.39
7.3.190.0100.01316.34
7.3.180.0120.00616.48
7.3.170.0080.00816.69
7.3.160.0050.01116.55
7.3.130.0100.01014.98
7.3.120.0070.01114.92
7.3.110.0070.00714.83
7.3.100.0070.01015.17
7.3.90.0040.01514.77
7.3.80.0000.01214.73
7.3.70.0000.01014.66
7.3.60.0040.01115.04
7.3.50.0070.01114.96
7.3.40.0000.00914.77
7.3.30.0070.00714.88
7.3.20.0000.01116.68
7.3.10.0050.00916.70
7.3.00.0050.01016.74
7.2.330.0060.01216.51
7.2.320.0030.01316.47
7.2.310.0090.01016.76
7.2.300.0100.00616.43
7.2.290.0060.01116.57
7.2.260.0040.01515.17
7.2.250.0070.01114.98
7.2.240.0100.00315.06
7.2.230.0100.00314.66
7.2.220.0040.01515.30
7.2.210.0040.00714.50
7.2.200.0100.00614.73
7.2.190.0040.01115.03
7.2.180.0000.01014.84
7.2.170.0120.00014.80
7.2.160.0070.00714.93
7.2.150.0040.00816.99
7.2.140.0090.00316.98
7.2.130.0080.00516.81
7.2.120.0040.01116.64
7.2.110.0100.00516.97
7.2.100.0020.01416.70
7.2.90.0070.00716.85
7.2.80.0040.00917.00
7.2.70.0070.01017.01
7.2.60.0080.00716.84
7.2.50.0050.00816.77
7.2.40.0090.00816.92
7.2.30.0070.00716.93
7.2.20.0030.01016.96
7.2.10.0020.01216.79
7.2.00.0050.00717.58
7.1.330.0080.00815.64
7.1.320.0130.00315.46
7.1.310.0000.01115.71
7.1.300.0060.00915.47
7.1.290.0030.00715.73
7.1.280.0040.01115.87
7.1.270.0000.00815.82
7.1.260.0030.01016.01
7.1.250.0080.00715.80
7.1.240.0060.00615.72
7.1.230.0000.01015.79
7.1.220.0060.00815.55
7.1.210.0080.00415.55
7.1.200.0080.00715.79
7.1.190.0110.00715.88
7.1.180.0070.00716.02
7.1.170.0070.01015.86
7.1.160.0040.00815.84
7.1.150.0000.01115.72
7.1.140.0120.00315.58
7.1.130.0000.01515.71
7.1.120.0040.00815.91
7.1.110.0000.01515.76
7.1.100.0050.00917.02
7.1.90.0030.00715.78
7.1.80.0070.00715.91
7.1.70.0040.00616.47
7.1.60.0090.00917.73
7.1.50.0070.01024.89
7.1.40.0060.00915.68
7.1.30.0000.01815.69
7.1.20.0040.00815.39
7.1.10.0030.00715.86
7.1.00.0090.03819.02
7.0.330.0070.00715.41
7.0.320.0030.01015.25
7.0.310.0040.01215.53
7.0.300.0030.00615.29
7.0.290.0040.01115.51
7.0.280.0060.00615.39
7.0.270.0120.00315.49
7.0.260.0030.00715.42
7.0.250.0040.00815.43
7.0.240.0000.01415.61
7.0.230.0000.01615.37
7.0.220.0090.00615.54
7.0.210.0050.00815.15
7.0.200.0040.00716.04
7.0.190.0110.00415.29
7.0.180.0060.00915.14
7.0.170.0000.01515.57
7.0.160.0040.00815.61
7.0.150.0070.00715.53
7.0.140.0080.03618.75
7.0.130.0030.01215.48
7.0.120.0040.01115.31
7.0.110.0040.00715.55
7.0.100.0060.00615.55
7.0.90.0110.00415.57
7.0.80.0070.00715.45
7.0.70.0000.01315.23
7.0.60.0040.02317.54
7.0.50.0020.04516.74
7.0.40.0080.02616.90
7.0.30.0310.03516.72
7.0.20.0150.04116.82
7.0.10.0030.05216.83
7.0.00.0090.04316.93
5.6.400.0030.01014.46
5.6.390.0000.01714.30
5.6.380.0070.00714.61
5.6.370.0090.00914.48
5.6.360.0000.01014.57
5.6.350.0040.00814.13
5.6.340.0070.00714.04
5.6.330.0090.00414.65
5.6.320.0070.00414.11
5.6.310.0040.01114.30
5.6.300.0090.00614.34
5.6.290.0160.00014.30
5.6.280.0060.04117.63
5.6.270.0000.01114.46
5.6.260.0070.00714.30
5.6.250.0110.00414.44
5.6.240.0030.00614.22
5.6.230.0120.00314.19
5.6.220.0000.01414.25
5.6.210.0070.02417.61
5.6.200.0090.04416.37
5.6.190.0030.02517.34
5.6.180.1660.02317.48
5.6.170.0150.02717.44
5.6.160.0070.03117.48
5.6.150.0070.02216.39
5.6.140.0100.03316.30
5.6.130.0080.04616.36
5.6.120.0130.03617.63
5.6.110.0080.02817.76
5.6.100.0070.04217.66
5.6.90.0050.04617.81
5.6.80.0170.03517.35
5.6.70.0100.00014.09
5.6.60.0030.01414.36
5.6.50.0040.00814.19
5.6.40.0080.00414.35
5.6.30.0030.00914.34
5.6.20.0100.00314.21
5.6.10.0060.00814.20
5.6.00.0040.00714.19
5.5.380.0030.01014.07
5.5.370.0060.00313.97
5.5.360.0080.00614.13
5.5.350.0150.04217.28
5.5.340.0130.04016.17
5.5.330.0020.03717.51
5.5.320.0180.03517.41
5.5.310.0150.02217.38
5.5.300.0050.02516.25
5.5.290.0100.04116.18
5.5.280.0050.02317.42
5.5.270.0020.03217.74
5.5.260.0080.04317.31
5.5.250.0000.04017.42
5.5.240.0150.03517.08
5.5.230.0040.00714.23
5.5.220.0030.01214.19
5.5.210.0000.01414.36
5.5.200.0070.00714.43
5.5.190.0100.00313.95
5.5.180.0060.00614.32
5.5.170.0000.01814.39
5.5.160.0090.00614.06
5.5.150.0060.01214.13
5.5.140.0040.00414.38
5.5.130.0080.00814.11
5.5.120.0040.00714.29
5.5.110.0060.00913.98
5.5.100.0070.00714.07
5.5.90.0080.00514.22
5.5.80.0060.00813.99
5.5.70.0080.00414.06
5.5.60.0090.00614.20
5.5.50.0130.00014.32
5.5.40.0100.00313.75
5.5.30.0060.00914.20
5.5.20.0040.01114.27
5.5.10.0070.00414.16
5.5.00.0060.00914.29
5.4.450.0120.02515.40
5.4.440.0120.02215.34
5.4.430.0100.02315.45
5.4.420.0220.02315.52
5.4.410.0170.02215.51
5.4.400.0180.02215.26
5.4.390.0100.02515.29
5.4.380.0230.03015.14
5.4.370.0190.03215.01
5.4.360.0240.02715.12
5.4.350.0180.03215.13
5.4.340.0130.03315.15
5.4.330.0070.00411.52
5.4.320.0050.01912.02
5.4.310.0030.02312.02
5.4.300.0050.02112.02
5.4.290.0080.02812.02
5.4.280.0110.02311.97
5.4.270.0050.02411.96
5.4.260.0040.02411.96
5.4.250.0030.02311.96
5.4.240.0040.02111.96
5.4.230.0050.02311.96
5.4.220.0040.02411.96
5.4.210.0080.01911.96
5.4.200.0050.02411.96
5.4.190.0050.02311.96
5.4.180.0060.02211.96
5.4.170.0040.02211.96
5.4.160.0080.02211.96
5.4.150.0050.02311.96
5.4.140.0100.02011.80
5.4.130.0040.02711.80
5.4.120.0050.02311.78
5.4.110.0030.02611.77
5.4.100.0030.02211.77
5.4.90.0030.02511.77
5.4.80.0050.02311.77
5.4.70.0050.02211.77
5.4.60.0020.02311.77
5.4.50.0040.02111.77
5.4.40.0040.02311.76
5.4.30.0080.01911.76
5.4.20.0060.01911.76
5.4.10.0070.02011.76
5.4.00.0060.02111.51
5.3.290.0040.04112.80
5.3.280.0100.05012.71
5.3.270.0080.04412.73
5.3.260.0040.04912.72
5.3.250.0110.03612.72
5.3.240.0040.04012.72
5.3.230.0080.03612.71
5.3.220.0080.03512.68
5.3.210.0090.03612.68
5.3.200.0040.03812.68
5.3.190.0050.03812.68
5.3.180.0050.04212.67
5.3.170.0050.04012.67
5.3.160.0060.03812.68
5.3.150.0090.03512.67
5.3.140.0090.03412.66
5.3.130.0060.04012.66
5.3.120.0080.04712.65
5.3.110.0060.04612.66
5.3.100.0040.03912.14
5.3.90.0100.03412.12
5.3.80.0090.03712.12
5.3.70.0040.03812.12
5.3.60.0050.03812.10
5.3.50.0070.03612.05
5.3.40.0050.03912.05
5.3.30.0040.03812.00
5.3.20.0060.03511.79
5.3.10.0040.03711.75
5.3.00.0060.03611.74
5.2.170.0020.0339.25
5.2.160.0060.0289.25
5.2.150.0030.0329.24
5.2.140.0060.0309.24
5.2.130.0090.0269.20
5.2.120.0060.0279.20
5.2.110.0050.0299.20
5.2.100.0040.0329.20
5.2.90.0050.0409.20
5.2.80.0090.0399.20
5.2.70.0060.0359.20
5.2.60.0060.0299.16
5.2.50.0060.0289.13
5.2.40.0030.0319.10
5.2.30.0050.0359.07
5.2.20.0040.0309.06
5.2.10.0060.0288.98
5.2.00.0050.0298.84
5.1.60.0100.0258.13
5.1.50.0040.0258.13
5.1.40.0080.0218.11
5.1.30.0070.0238.45
5.1.20.0090.0228.48
5.1.10.0030.0288.20
5.1.00.0030.0278.20
5.0.50.0040.0286.70
5.0.40.0070.0256.55
5.0.30.0060.0306.36
5.0.20.0040.0196.34
5.0.10.0040.0206.33
5.0.00.0040.0316.32
4.4.90.0030.0164.78
4.4.80.0050.0134.76
4.4.70.0020.0184.75
4.4.60.0020.0164.75
4.4.50.0010.0184.77
4.4.40.0030.0314.71
4.4.30.0030.0154.76
4.4.20.0030.0154.84
4.4.10.0040.0144.85
4.4.00.0030.0254.76
4.3.110.0020.0174.67
4.3.100.0020.0154.66
4.3.90.0010.0164.64
4.3.80.0030.0244.62
4.3.70.0030.0144.63
4.3.60.0060.0114.63
4.3.50.0040.0144.63
4.3.40.0040.0264.57
4.3.30.0040.0183.38
4.3.20.0020.0173.35
4.3.10.0020.0163.31
4.3.00.0030.02015.68

preferences:
37.56 ms | 401 KiB | 5 Q