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); comparevar('var18 and var16', $var18, $var16); function comparevar($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)
8.3.60.0140.00716.75
8.3.50.0120.00822.79
8.3.40.0080.00818.67
8.3.30.0040.01119.13
8.3.20.0080.00020.38
8.3.10.0050.00323.68
8.3.00.0040.00419.25
8.2.180.0160.00316.50
8.2.170.0110.00422.96
8.2.160.0060.01220.40
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0080.00326.16
8.2.120.0080.00021.01
8.2.110.0090.00020.39
8.2.100.0060.00618.09
8.2.90.0030.00619.27
8.2.80.0000.00817.97
8.2.70.0080.00017.63
8.2.60.0050.00317.93
8.2.50.0050.00318.07
8.2.40.0040.00418.34
8.2.30.0030.00518.25
8.2.20.0080.00017.64
8.2.10.0070.00018.03
8.2.00.0040.00417.69
8.1.280.0190.00025.92
8.1.270.0030.00723.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00023.81
8.1.230.0060.00619.21
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0030.00717.35
8.1.190.0050.00317.13
8.1.180.0060.00318.10
8.1.170.0050.00318.46
8.1.160.0000.00722.02
8.1.150.0000.00718.85
8.1.140.0060.00617.50
8.1.130.0030.00517.86
8.1.120.0000.00717.49
8.1.110.0040.00417.41
8.1.100.0040.00417.55
8.1.90.0040.00417.44
8.1.80.0040.00417.51
8.1.70.0030.00317.43
8.1.60.0050.00517.52
8.1.50.0050.00317.47
8.1.40.0040.00417.44
8.1.30.0040.00417.63
8.1.20.0000.00817.63
8.1.10.0050.00317.50
8.1.00.0030.00617.39
8.0.300.0040.00418.77
8.0.290.0070.00016.88
8.0.280.0030.00318.53
8.0.270.0040.00417.31
8.0.260.0030.00317.32
8.0.250.0030.00316.93
8.0.240.0000.00817.02
8.0.230.0070.00016.84
8.0.220.0070.00016.97
8.0.210.0030.00316.96
8.0.200.0000.00717.04
8.0.190.0040.00416.88
8.0.180.0040.00416.86
8.0.170.0000.00816.84
8.0.160.0040.00416.95
8.0.150.0000.00716.74
8.0.140.0000.00716.84
8.0.130.0060.00013.38
8.0.120.0030.00616.93
8.0.110.0040.00416.85
8.0.100.0040.00416.93
8.0.90.0070.00016.97
8.0.80.0030.01216.88
8.0.70.0030.00516.98
8.0.60.0040.00416.74
8.0.50.0000.00716.85
8.0.30.0130.00517.11
8.0.20.0090.00917.44
8.0.10.0070.00016.88
8.0.00.0110.00816.91
7.4.330.0060.00015.04
7.4.320.0000.00616.64
7.4.300.0070.00016.56
7.4.290.0030.00316.55
7.4.280.0040.00416.55
7.4.270.0000.00716.56
7.4.260.0070.00016.54
7.4.250.0050.00316.61
7.4.240.0060.00216.67
7.4.230.0050.00316.66
7.4.220.0090.00916.66
7.4.210.0040.01116.57
7.4.200.0000.00716.76
7.4.160.0090.00916.70
7.4.150.0150.01017.40
7.4.140.0080.00917.86
7.4.130.0020.01516.66
7.4.120.0130.00616.64
7.4.110.0160.00616.39
7.4.100.0090.01216.54
7.4.90.0100.01016.57
7.4.80.0110.00719.39
7.4.70.0080.01116.61
7.4.60.0130.00316.52
7.4.50.0040.00416.42
7.4.40.0120.00916.37
7.4.30.0160.00416.55
7.4.00.0040.01114.76
7.3.330.0000.00613.41
7.3.320.0030.00313.36
7.3.310.0030.00316.42
7.3.300.0030.00316.43
7.3.290.0040.00916.42
7.3.280.0100.00716.44
7.3.270.0110.00717.40
7.3.260.0070.01216.70
7.3.250.0100.00816.54
7.3.240.0120.00616.35
7.3.230.0120.01216.45
7.3.210.0120.00616.52
7.3.200.0120.00919.39
7.3.190.0210.00316.67
7.3.180.0070.01316.54
7.3.170.0130.00316.73
7.3.160.0070.01016.48
7.2.330.0100.01016.70
7.2.320.0070.01016.70
7.2.310.0090.00916.82
7.2.300.0120.00616.83
7.2.290.0030.01416.53
7.2.00.0070.00719.20
7.1.200.0030.01015.81
7.1.100.0040.00817.93
7.1.70.0000.00917.25
7.1.60.0110.01419.46
7.1.50.0100.01316.98
7.1.00.0030.07722.33
7.0.200.0040.00416.84
7.0.140.0030.07022.22
7.0.60.0000.08019.91
7.0.50.0000.04317.93
7.0.40.0070.05719.96
7.0.30.0270.04320.10
7.0.20.0300.07020.07
7.0.10.0070.05320.26
7.0.00.0100.08020.20
5.6.280.0000.07721.04
5.6.210.0330.05720.56
5.6.200.0100.07018.21
5.6.190.0070.07020.61
5.6.180.0470.07020.40
5.6.170.0330.06320.47
5.6.160.0200.07020.61
5.6.150.0030.06718.21
5.6.140.0070.06318.21
5.6.130.0070.04718.20
5.6.120.0170.07321.17
5.6.110.0070.07021.02
5.6.100.0000.09021.06
5.6.90.0100.07021.02
5.6.80.0070.08020.56
5.6.70.4470.04320.53
5.5.350.0200.06020.46
5.5.340.0070.05717.94
5.5.330.0100.08320.29
5.5.320.0300.03720.24
5.5.310.0200.08720.35
5.5.300.0070.03718.02
5.5.290.0070.06017.95
5.5.280.0170.07720.89
5.5.270.0100.08020.88
5.5.260.0100.03320.89
5.5.250.0200.04720.71
5.5.240.0200.07320.28
5.4.450.0300.04719.53
5.4.440.0330.04019.30
5.4.430.0300.04719.30
5.4.420.0330.03319.30
5.4.410.0270.04319.19
5.4.400.0200.04019.08
5.4.390.0200.04018.84
5.4.380.0400.05318.75
5.4.370.0400.05018.74
5.4.360.0470.04718.71
5.4.350.0370.06018.52
5.4.340.0600.07018.84
5.4.320.0060.03712.52
5.4.310.0070.03912.52
5.4.300.0050.03712.52
5.4.290.0020.04112.52
5.4.280.0080.03412.42
5.4.270.0090.03312.41
5.4.260.0070.03712.42
5.4.250.0070.03712.42
5.4.240.0040.04012.42
5.4.230.0040.03912.41
5.4.220.0040.03812.41
5.4.210.0100.04812.41
5.4.200.0020.04712.41
5.4.190.0080.03412.41
5.4.180.0100.04012.41
5.4.170.0070.03612.41
5.4.160.0050.03712.41
5.4.150.0070.03612.41
5.4.140.0050.03812.09
5.4.130.0080.03612.08
5.4.120.0060.03512.04
5.4.110.0060.03612.03
5.4.100.0060.04112.04
5.4.90.0060.03712.03
5.4.80.0040.03912.04
5.4.70.0070.04212.03
5.4.60.0040.04012.03
5.4.50.0050.03612.03
5.4.40.0070.03412.02
5.4.30.0070.03412.01
5.4.20.0050.03712.01
5.4.10.0050.04812.01
5.4.00.0060.04111.50
5.3.290.0040.05212.80
5.3.280.0070.03612.71
5.3.270.0090.04312.72
5.3.260.0080.03812.72
5.3.250.0090.03612.72
5.3.240.0040.04012.72
5.3.230.0100.04012.71
5.3.220.0040.04512.68
5.3.210.0050.04212.68
5.3.200.0080.03912.68
5.3.190.0060.03712.68
5.3.180.0060.05112.67
5.3.170.0050.03912.67
5.3.160.0080.04012.68
5.3.150.0060.03712.67
5.3.140.0090.03412.66
5.3.130.0070.04012.66
5.3.120.0070.04212.66
5.3.110.0080.03712.66
5.3.100.0030.04012.14
5.3.90.0050.03912.13
5.3.80.0070.03612.13
5.3.70.0070.03512.13
5.3.60.0060.03912.10
5.3.50.0100.03612.05
5.3.40.0040.03912.05
5.3.30.0100.03212.01
5.3.20.0060.03511.79
5.3.10.0040.03611.76
5.3.00.0050.03811.75
5.2.170.0060.0379.25
5.2.160.0080.0289.25
5.2.150.0040.0329.25
5.2.140.0060.0299.25
5.2.130.0060.0289.21
5.2.120.0050.0299.20
5.2.110.0050.0299.21
5.2.100.0040.0319.20
5.2.90.0050.0299.20
5.2.80.0040.0319.20
5.2.70.0060.0339.20
5.2.60.0040.0329.16
5.2.50.0050.0309.13
5.2.40.0060.0279.11
5.2.30.0040.0309.08
5.2.20.0030.0309.06
5.2.10.0080.0258.97
5.2.00.0050.0298.83
5.1.60.0050.0238.13
5.1.50.0040.0268.12
5.1.40.0040.0258.10
5.1.30.0060.0258.45
5.1.20.0070.0268.47
5.1.10.0040.0268.20
5.1.00.0060.0248.20
5.0.50.0060.0196.69
5.0.40.0030.0236.55
5.0.30.0020.0336.36
5.0.20.0050.0196.34
5.0.10.0060.0196.32
5.0.00.0020.0326.32
4.4.90.0020.0164.78
4.4.80.0050.0164.75
4.4.70.0020.0174.76
4.4.60.0040.0144.75
4.4.50.0040.0224.77
4.4.40.0020.0264.71
4.4.30.0040.0144.76
4.4.20.0030.0174.85
4.4.10.0040.0144.85
4.4.00.0030.0244.76
4.3.110.0000.0194.67
4.3.100.0050.0184.66
4.3.90.0030.0144.64
4.3.80.0030.0274.62
4.3.70.0020.0154.63
4.3.60.0020.0154.63
4.3.50.0070.0144.63
4.3.40.0030.0244.57
4.3.30.0040.0183.37
4.3.20.0020.0213.36
4.3.10.0000.0203.31
4.3.00.0100.01015.70

preferences:
28.81 ms | 401 KiB | 5 Q