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); comparevar('var17 and var18', $var17, $var18); function comparevar($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)
8.3.60.0150.00616.50
8.3.50.0160.00722.91
8.3.40.0120.00318.56
8.3.30.0070.00718.98
8.3.20.0000.00720.25
8.3.10.0050.00323.61
8.3.00.0050.00319.13
8.2.180.0060.00918.54
8.2.170.0160.00319.09
8.2.160.0140.00322.96
8.2.150.0080.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00720.77
8.2.110.0030.00620.43
8.2.100.0090.00318.22
8.2.90.0000.00919.09
8.2.80.0040.00417.97
8.2.70.0000.00817.38
8.2.60.0040.00417.91
8.2.50.0050.00518.07
8.2.40.0040.00418.22
8.2.30.0000.00818.13
8.2.20.0030.00617.66
8.2.10.0040.00417.99
8.2.00.0060.00317.61
8.1.280.0150.00025.92
8.1.270.0050.00323.87
8.1.260.0060.00326.35
8.1.250.0030.00528.09
8.1.240.0030.00623.82
8.1.230.0070.00419.12
8.1.220.0000.00817.74
8.1.210.0000.00918.77
8.1.200.0070.00317.22
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0040.00418.56
8.1.160.0040.00422.05
8.1.150.0040.00418.99
8.1.140.0040.00717.46
8.1.130.0030.00317.81
8.1.120.0000.00717.40
8.1.110.0040.00417.44
8.1.100.0040.00417.52
8.1.90.0030.00417.53
8.1.80.0040.00417.54
8.1.70.0000.00717.38
8.1.60.0000.00817.62
8.1.50.0040.00417.51
8.1.40.0000.00817.55
8.1.30.0000.00817.59
8.1.20.0040.00417.68
8.1.10.0060.00317.47
8.1.00.0050.00317.38
8.0.300.0000.00718.77
8.0.290.0000.00716.88
8.0.280.0020.00518.55
8.0.270.0070.00017.32
8.0.260.0030.00317.36
8.0.250.0000.00817.02
8.0.240.0090.00017.00
8.0.230.0080.00016.83
8.0.220.0030.00316.99
8.0.210.0000.00716.82
8.0.200.0000.00616.88
8.0.190.0000.00817.02
8.0.180.0070.00017.04
8.0.170.0060.00317.00
8.0.160.0040.00416.94
8.0.150.0000.00716.81
8.0.140.0000.00716.79
8.0.130.0050.00013.36
8.0.120.0040.00416.96
8.0.110.0000.00816.93
8.0.100.0030.00616.82
8.0.90.0000.00716.72
8.0.80.0090.00916.91
8.0.70.0040.00417.01
8.0.60.0070.00016.83
8.0.50.0050.00316.84
8.0.30.0130.01117.16
8.0.20.0120.00917.40
8.0.10.0000.00817.07
8.0.00.0150.00516.84
7.4.330.0020.00215.00
7.4.320.0000.00616.49
7.4.300.0060.00016.48
7.4.290.0000.00816.57
7.4.280.0000.00716.69
7.4.270.0070.00016.54
7.4.260.0000.00716.56
7.4.250.0040.00416.66
7.4.240.0020.00716.66
7.4.230.0070.00016.66
7.4.220.0090.00916.50
7.4.210.0080.00716.68
7.4.200.0030.00316.63
7.4.160.0100.00716.71
7.4.150.0110.00817.40
7.4.140.0120.00817.86
7.4.130.0060.01516.62
7.4.120.0080.01016.41
7.4.110.0080.00816.70
7.4.100.0200.00316.58
7.4.90.0140.01016.50
7.4.80.0120.00619.39
7.4.70.0080.00816.72
7.4.60.0080.00816.71
7.4.50.0040.00416.64
7.4.40.0070.01016.57
7.4.30.0080.00816.39
7.4.00.0070.00714.77
7.3.330.0000.00613.34
7.3.320.0030.00313.41
7.3.310.0000.00716.46
7.3.300.0070.00016.46
7.3.290.0080.00616.38
7.3.280.0070.00916.41
7.3.270.0090.01217.40
7.3.260.0060.01516.50
7.3.250.0110.00616.62
7.3.240.0130.00416.38
7.3.230.0150.00916.47
7.3.210.0100.00916.50
7.3.200.0160.00619.39
7.3.190.0110.01116.44
7.3.180.0100.01016.46
7.3.170.0080.00816.68
7.3.160.0080.00816.53
7.3.10.0000.01216.71
7.3.00.0030.01016.85
7.2.330.0070.01116.77
7.2.320.0030.01316.48
7.2.310.0150.00316.57
7.2.300.0090.00916.50
7.2.290.0160.00616.75
7.2.130.0060.00916.77
7.2.120.0000.01616.94
7.2.110.0000.01416.80
7.2.100.0100.00716.90
7.2.90.0030.01016.64
7.2.80.0070.00416.59
7.2.70.0050.00816.79
7.2.60.0060.00916.85
7.2.50.0040.01116.57
7.2.40.0030.01317.00
7.2.30.0100.00317.09
7.2.20.0030.01016.64
7.2.10.0070.00416.84
7.2.00.0020.01118.03
7.1.250.0040.01115.52
7.1.100.0120.00318.47
7.1.70.0070.00317.02
7.1.60.0100.01319.46
7.1.50.0060.01616.85
7.1.00.0000.08022.48
7.0.200.0060.00316.53
7.0.140.0030.07021.98
7.0.100.0130.07720.05
7.0.90.0100.07719.91
7.0.80.0170.07319.97
7.0.70.0070.07320.18
7.0.60.0070.04319.98
7.0.50.0430.07720.39
7.0.40.0100.08020.09
7.0.30.0030.08720.14
7.0.20.0100.08320.11
7.0.10.0070.07720.12
7.0.00.0030.05320.12
5.6.280.0000.07320.85
5.6.250.0070.06720.78
5.6.240.0100.08720.56
5.6.230.0070.08320.59
5.6.220.0000.09320.64
5.6.210.0100.07320.75
5.6.200.0030.08721.10
5.6.190.0170.07721.06
5.6.180.0100.08021.07
5.6.170.0070.08321.09
5.6.160.0130.04721.14
5.6.150.0170.07021.16
5.6.140.0100.07020.97
5.6.130.0030.05721.09
5.6.120.0100.07720.97
5.6.110.0070.08021.07
5.6.100.0200.06721.15
5.6.90.0100.08321.05
5.6.80.0130.07720.46
5.6.70.0070.07020.37
5.6.60.0100.07320.48
5.6.50.0100.04320.34
5.6.40.0070.08020.46
5.6.30.0200.06720.35
5.6.20.0070.08020.34
5.6.10.0070.08320.36
5.6.00.0070.06320.38
5.5.380.0100.04720.45
5.5.370.0070.08720.48
5.5.360.0100.07720.41
5.5.350.0030.08020.44
5.5.340.0070.08320.86
5.5.330.0130.08320.95
5.5.320.0170.06720.83
5.5.310.0130.07320.91
5.5.300.0130.08020.66
5.5.290.0030.09020.83
5.5.280.0100.06320.85
5.5.270.0030.07720.79
5.5.260.0100.04720.80
5.5.250.0130.08020.57
5.5.240.0030.05320.22
5.5.230.0070.08320.13
5.5.220.0070.07720.32
5.5.210.0200.06720.29
5.5.200.0130.04020.02
5.5.190.0100.07720.21
5.5.180.0130.07720.02
5.5.160.0070.06320.24
5.5.150.0030.04320.25
5.5.140.0070.08020.10
5.5.130.0170.06320.13
5.5.120.0130.07720.30
5.5.110.0170.06020.16
5.5.100.0070.08720.18
5.5.90.0130.06020.06
5.5.80.0030.07020.10
5.5.70.0100.06319.94
5.5.60.0100.07320.08
5.5.50.0070.04320.11
5.5.40.0070.04720.09
5.5.30.0100.06319.95
5.5.20.0070.08020.14
5.5.10.0100.05720.05
5.5.00.0070.07320.05
5.4.450.0100.07319.34
5.4.440.0070.07319.54
5.4.430.0100.08019.45
5.4.420.0070.08019.41
5.4.410.0030.07719.36
5.4.400.0030.08318.88
5.4.390.0170.06719.16
5.4.380.0000.08318.86
5.4.370.0030.07319.13
5.4.360.0100.07018.95
5.4.350.0130.07718.88
5.4.340.0070.08018.86
5.4.320.0070.08019.14
5.4.310.0100.06319.10
5.4.300.0070.05319.13
5.4.290.0070.07719.04
5.4.280.0070.08319.04
5.4.270.0030.07318.84
5.4.260.0070.07319.16
5.4.250.0100.07019.18
5.4.240.0100.07018.91
5.4.230.0070.07319.21
5.4.220.0230.06319.04
5.4.210.0070.07719.02
5.4.200.0000.06719.04
5.4.190.0170.06719.16
5.4.180.0130.06719.08
5.4.170.0000.08719.17
5.4.160.0000.08319.12
5.4.150.0100.08019.07
5.4.140.0130.06716.50
5.4.130.0000.07316.47
5.4.120.0130.07016.49
5.4.110.0030.07316.33
5.4.100.0100.04016.49
5.4.90.0000.07016.49
5.4.80.0100.07016.36
5.4.70.0030.07316.38
5.4.60.0100.07016.41
5.4.50.0030.08016.45
5.4.40.0070.06716.35
5.4.30.0100.06316.44
5.4.20.0130.06316.48
5.4.10.0100.04316.34
5.4.00.0100.06715.88
5.3.290.0100.06014.80
5.3.280.0130.05714.68
5.3.270.0030.07014.69
5.3.260.0030.05314.57
5.3.250.0030.08014.61
5.3.240.0030.04714.73
5.3.230.0070.07714.65
5.3.220.0070.07014.62
5.3.210.0100.06714.69
5.3.200.0070.07714.58
5.3.190.0070.05314.58
5.3.180.0030.08014.61
5.3.170.0130.06714.60
5.3.160.0100.07314.69
5.3.150.0030.08014.61
5.3.140.0170.06714.65
5.3.130.0130.06714.64
5.3.120.0070.08014.64
5.3.110.0030.08014.53
5.3.100.0130.07314.12
5.3.90.0070.07714.06
5.3.80.0030.07313.97
5.3.70.0070.06313.96
5.3.60.0100.06314.11
5.3.50.0030.07714.07
5.3.40.0030.04713.91
5.3.30.0070.03313.85
5.3.20.0070.03313.81
5.3.10.0070.03713.67
5.3.00.0070.05313.70
5.2.170.0030.06311.07
5.2.160.0000.05311.22
5.2.150.0030.02711.23
5.2.140.0000.03311.10
5.2.130.0000.03011.14
5.2.120.0070.02311.27
5.2.110.0170.02311.02
5.2.100.0030.02711.26
5.2.90.0000.03711.19
5.2.80.0030.03711.11
5.2.70.0030.02711.05
5.2.60.0000.03011.00
5.2.50.0030.03011.06
5.2.40.0000.02710.95
5.2.30.0030.02710.93
5.2.20.0000.03311.08
5.2.10.0070.05310.96
5.2.00.0070.03310.71
5.1.60.0030.02710.13
5.1.50.0030.05310.09
5.1.40.0070.04310.04
5.1.30.0070.05310.39
5.1.20.0070.05310.52
5.1.10.0000.02310.04
5.1.00.0000.04710.18
5.0.50.0030.03710.04
5.0.40.0000.02310.04
5.0.30.0030.04710.04
5.0.20.0000.04310.04
5.0.10.0030.01710.04
5.0.00.0030.04710.04
4.4.90.0000.01710.04
4.4.80.0070.01010.04
4.4.70.0030.01310.04
4.4.60.0030.01710.04
4.4.50.0070.03010.04
4.4.40.0030.05710.04
4.4.30.0100.02710.04
4.4.20.0000.01310.04
4.4.10.0000.01710.04
4.4.00.0030.05010.04
4.3.110.0030.01310.04
4.3.100.0000.01710.04
4.3.90.0100.02710.04
4.3.80.0000.02310.04
4.3.70.0000.02710.04
4.3.60.0000.02310.04
4.3.50.0030.02310.04
4.3.40.0030.03010.04
4.3.30.0000.03710.04
4.3.20.0000.01710.04
4.3.10.0000.02010.04
4.3.00.0000.02010.04

preferences:
65.15 ms | 401 KiB | 5 Q