3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var11 = '12345'; $var12 = '22b'; $var13 = '12345x'; $var14 = '22'; $var15 = 12345; $var16 = 22; $var17 = '22c'; $var18 = '22a'; $var19 = '12345m'; $var20 = '12345z'; say("string comparisons:"); comparevar('var11 and var12', $var11, $var12); say("one numeric string, one string, make string comparisons:"); comparevar('var13 and var14', $var13, $var14); say("two numeric strings make numeric comparisons:"); comparevar('var11 and var14', $var11, $var14); say("two strings make string comparisons:"); comparevar('var12 and var13', $var12, $var13); say("two numbers make numeric comparisons:"); comparevar('var15 and var16', $var15, $var16); say("one numeric string, one number, make numeric comparisons:"); comparevar('var11 and var14', $var11, $var14); comparevar('var15 and var16', $var15, $var16); comparevar('var11 and var15', $var11, $var15); comparevar('var16 and var14', $var16, $var14); say("one string, one number, make numeric comparisons:"); comparevar('var13 and var15', $var13, $var15); comparevar('var12 and var16', $var12, $var16); comparevar('var13 and var16', $var13, $var16); comparevar('var15 and var12', $var15, $var12); say("and then some weirdness"); comparevar('var13 and var14', $var13, $var14); comparevar('var13 and var16', $var13, $var16); comparevar('var14 and var16', $var14, $var16); comparevar('var17 and var16', $var17, $var16); function comparevar($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 > $arg2"); } if (((! ($arg1 < $arg2)) != ($arg1 > $arg2)) and ($arg1 != $arg2)) {say("screwy 1");} if (((! ($arg1 < $arg2)) != ($arg2 < $arg1)) and ($arg1 != $arg2)) {say("screwy 2");} } function say($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)
8.3.60.0040.01516.75
8.3.50.0150.00822.93
8.3.40.0070.00718.75
8.3.30.0100.00318.92
8.3.20.0080.00020.34
8.3.10.0040.00423.53
8.3.00.0090.00019.38
8.2.180.0060.01216.75
8.2.170.0140.00022.96
8.2.160.0130.00320.43
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0030.00726.16
8.2.120.0050.00221.16
8.2.110.0050.00520.52
8.2.100.0110.00018.22
8.2.90.0030.00519.09
8.2.80.0080.00017.97
8.2.70.0040.00417.63
8.2.60.0040.00418.04
8.2.50.0080.00018.07
8.2.40.0000.00918.09
8.2.30.0070.00017.99
8.2.20.0030.00517.79
8.2.10.0040.00418.16
8.2.00.0000.00717.61
8.1.280.0060.00925.92
8.1.270.0040.00423.88
8.1.260.0050.00326.35
8.1.250.0080.00828.09
8.1.240.0000.00923.81
8.1.230.0040.00719.23
8.1.220.0050.00317.74
8.1.210.0000.00918.77
8.1.200.0030.00617.22
8.1.190.0000.00817.22
8.1.180.0080.00018.10
8.1.170.0040.00418.64
8.1.160.0040.00421.98
8.1.150.0040.00418.88
8.1.140.0050.00517.45
8.1.130.0040.00417.84
8.1.120.0050.00317.57
8.1.110.0040.00417.51
8.1.100.0000.00717.50
8.1.90.0030.00317.53
8.1.80.0030.00317.50
8.1.70.0030.00517.39
8.1.60.0000.00917.59
8.1.50.0030.00617.50
8.1.40.0030.00617.48
8.1.30.0060.00317.68
8.1.20.0030.00517.59
8.1.10.0040.00417.60
8.1.00.0040.00417.41
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0040.00418.56
8.0.270.0040.00417.34
8.0.260.0030.00317.35
8.0.250.0000.00717.07
8.0.240.0060.00317.03
8.0.230.0040.00416.92
8.0.220.0030.00316.85
8.0.210.0000.00716.95
8.0.200.0030.00316.99
8.0.190.0000.00716.96
8.0.180.0000.00716.96
8.0.170.0080.00016.82
8.0.160.0040.00416.95
8.0.150.0040.00416.82
8.0.140.0070.00016.87
8.0.130.0000.00613.35
8.0.120.0030.00616.81
8.0.110.0070.00016.95
8.0.100.0030.00516.74
8.0.90.0040.00416.88
8.0.80.0090.00616.96
8.0.70.0080.00016.74
8.0.60.0040.00416.90
8.0.50.0050.00316.82
8.0.30.0070.01417.24
8.0.20.0120.00817.40
8.0.10.0030.00517.07
8.0.00.0090.01016.86
7.4.330.0050.00015.00
7.4.320.0030.00316.55
7.4.300.0070.00016.69
7.4.290.0030.00316.66
7.4.280.0040.00416.68
7.4.270.0030.00516.66
7.4.260.0050.00316.59
7.4.250.0040.00416.51
7.4.240.0040.00416.57
7.4.230.0000.00716.75
7.4.220.0090.00916.76
7.4.210.0090.00816.63
7.4.200.0000.00716.75
7.4.160.0100.00716.59
7.4.150.0070.01317.40
7.4.140.0120.00517.86
7.4.130.0110.00616.57
7.4.120.0140.00516.68
7.4.110.0050.01716.56
7.4.100.0180.00016.57
7.4.90.0040.01716.59
7.4.80.0120.00619.39
7.4.70.0070.01016.58
7.4.60.0100.00716.46
7.4.50.0030.00316.46
7.4.40.0070.01016.61
7.4.30.0080.00916.35
7.4.00.0060.00915.14
7.3.330.0000.00713.15
7.3.320.0000.00513.29
7.3.310.0070.00016.23
7.3.300.0030.00316.42
7.3.290.0080.00716.41
7.3.280.0100.00516.42
7.3.270.0160.00617.40
7.3.260.0150.00316.61
7.3.250.0090.00816.48
7.3.240.0180.00716.61
7.3.230.0040.01716.68
7.3.210.0100.00716.46
7.3.200.0070.01019.39
7.3.190.0120.01216.63
7.3.180.0100.00616.48
7.3.170.0150.00316.70
7.3.160.0080.00816.43
7.3.10.0040.01116.58
7.3.00.0030.01016.78
7.2.330.0210.00416.42
7.2.320.0100.01016.47
7.2.310.0080.01016.44
7.2.300.0100.00716.83
7.2.290.0140.00316.46
7.2.130.0070.00316.67
7.2.120.0120.00316.93
7.2.110.0030.01316.56
7.2.100.0090.00616.75
7.2.90.0060.00916.81
7.2.80.0030.00717.02
7.2.70.0070.00716.87
7.2.60.0040.00917.04
7.2.50.0040.00716.78
7.2.40.0040.00717.01
7.2.30.0000.01517.00
7.2.20.0070.00716.81
7.2.10.0040.01116.37
7.2.00.0060.01118.26
7.1.250.0000.01415.81
7.1.200.0050.00515.83
7.1.100.0060.00618.47
7.1.70.0040.00417.16
7.1.60.0110.01119.46
7.1.50.0030.01917.02
7.1.00.0000.07722.43
7.0.200.0000.00816.87
7.0.140.0030.06722.08
7.0.60.0070.03719.91
7.0.50.0000.08717.92
7.0.40.0070.04320.09
7.0.30.0170.04320.07
7.0.20.0130.08720.25
7.0.10.0070.06020.28
7.0.00.0130.08020.16
5.6.280.0000.07721.00
5.6.210.0030.04320.77
5.6.200.0130.07018.20
5.6.190.0030.09020.47
5.6.180.0070.08020.39
5.6.170.0130.05720.50
5.6.160.0130.07320.46
5.6.150.0130.06318.32
5.6.140.0070.07318.32
5.6.130.0030.07718.27
5.6.120.0030.04321.04
5.6.110.0030.07321.13
5.6.100.0030.08021.13
5.6.90.0000.07321.06
5.6.80.0070.05720.40
5.5.350.0070.09020.52
5.5.340.0100.03318.09
5.5.330.0100.04320.32
5.5.320.0430.07320.28
5.5.310.0230.04320.19
5.5.300.0030.08717.99
5.5.290.0100.03718.07
5.5.280.0130.08020.89
5.5.270.0100.03720.98
5.5.260.0130.05720.82
5.5.250.0170.07720.79
5.5.240.2170.03020.06
5.4.450.0100.05319.64
5.4.440.0270.05019.28
5.4.430.0230.05019.42
5.4.420.0370.04019.41
5.4.410.0200.03319.33
5.4.400.0030.03019.25
5.4.390.0570.05018.98
5.4.380.0370.05318.83
5.4.370.0370.06018.84
5.4.360.0370.04718.77
5.4.350.0270.06018.71
5.4.340.0230.06018.71
5.4.320.0040.03912.52
5.4.310.0050.03812.52
5.4.300.0140.04512.52
5.4.290.0070.03812.52
5.4.280.0060.03912.42
5.4.270.0110.03212.42
5.4.260.0070.03712.42
5.4.250.0100.03412.41
5.4.240.0060.03912.42
5.4.230.0070.03712.41
5.4.220.0070.03512.41
5.4.210.0050.03712.41
5.4.200.0060.03712.41
5.4.190.0090.03212.40
5.4.180.0070.04612.41
5.4.170.0050.04312.42
5.4.160.0050.04012.41
5.4.150.0050.03712.41
5.4.140.0080.04312.09
5.4.130.0060.03712.08
5.4.120.0050.04312.04
5.4.110.0040.03712.03
5.4.100.0040.03812.03
5.4.90.0050.03812.03
5.4.80.0060.03912.03
5.4.70.0070.03512.03
5.4.60.0100.03412.03
5.4.50.0060.03512.03
5.4.40.0080.03212.02
5.4.30.0060.04012.01
5.4.20.0080.04112.01
5.4.10.0040.03612.01
5.4.00.0050.03711.50
5.3.290.0060.04012.80
5.3.280.0070.03712.71
5.3.270.0110.03412.72
5.3.260.0110.03512.72
5.3.250.0090.03612.72
5.3.240.0050.03812.72
5.3.230.0090.03512.71
5.3.220.0070.03912.68
5.3.210.0070.04212.68
5.3.200.0070.03712.68
5.3.190.0050.03912.68
5.3.180.0090.03512.67
5.3.170.0100.03312.67
5.3.160.0070.03712.67
5.3.150.0070.03712.67
5.3.140.0050.03912.66
5.3.130.0010.04512.66
5.3.120.0060.04012.66
5.3.110.0020.04212.66
5.3.100.0070.03712.14
5.3.90.0070.03712.13
5.3.80.0060.04612.12
5.3.70.0060.04212.12
5.3.60.0080.03512.10
5.3.50.0080.03512.05
5.3.40.0060.03812.05
5.3.30.0060.03612.01
5.3.20.0070.03511.79
5.3.10.0060.03611.76
5.3.00.0050.04011.74
5.2.170.0050.0319.25
5.2.160.0030.0339.25
5.2.150.0090.0349.25
5.2.140.0060.0309.24
5.2.130.0050.0319.20
5.2.120.0060.0289.20
5.2.110.0080.0279.21
5.2.100.0080.0299.20
5.2.90.0060.0379.21
5.2.80.0050.0309.20
5.2.70.0030.0329.20
5.2.60.0020.0339.16
5.2.50.0070.0299.13
5.2.40.0020.0329.11
5.2.30.0040.0319.08
5.2.20.0050.0309.07
5.2.10.0050.0298.97
5.2.00.0050.0298.84
5.1.60.0040.0258.12
5.1.50.0040.0268.12
5.1.40.0060.0238.10
5.1.30.0030.0278.44
5.1.20.0030.0288.47
5.1.10.0070.0278.20
5.1.00.0050.0258.20
5.0.50.0030.0236.68
5.0.40.0060.0176.55
5.0.30.0060.0296.36
5.0.20.0040.0196.34
5.0.10.0040.0196.33
5.0.00.0030.0316.32
4.4.90.0050.0144.78
4.4.80.0040.0144.75
4.4.70.0040.0144.75
4.4.60.0020.0174.76
4.4.50.0050.0144.77
4.4.40.0040.0254.70
4.4.30.0010.0184.76
4.4.20.0040.0184.84
4.4.10.0040.0154.85
4.4.00.0020.0264.76
4.3.110.0040.0144.67
4.3.100.0010.0164.66
4.3.90.0030.0154.64
4.3.80.0040.0234.61
4.3.70.0010.0184.63
4.3.60.0010.0194.63
4.3.50.0060.0194.63
4.3.40.0030.0284.56
4.3.30.0040.0183.37
4.3.20.0010.0183.35
4.3.10.0000.0193.30
4.3.00.0100.01315.70

preferences:
40.07 ms | 401 KiB | 5 Q