3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var11 = '12345'; $var12 = '22b'; $var13 = '12345x'; $var14 = '22'; $var15 = 12345; $var16 = 22; 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, $var16); function comparevar($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)
8.3.60.0100.01016.38
8.3.50.0130.00922.84
8.3.40.0120.00318.54
8.3.30.0110.00419.09
8.3.20.0040.00420.21
8.3.10.0040.00423.70
8.3.00.0090.00019.25
8.2.180.0280.00016.32
8.2.170.0110.00422.96
8.2.160.0080.01120.52
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00726.16
8.2.120.0110.00321.02
8.2.110.0070.00320.92
8.2.100.0120.00017.65
8.2.90.0040.00419.27
8.2.80.0030.00517.97
8.2.70.0050.00317.50
8.2.60.0070.00318.03
8.2.50.0090.00018.07
8.2.40.0000.00818.28
8.2.30.0040.00418.19
8.2.20.0040.00417.71
8.2.10.0000.00718.07
8.2.00.0000.00717.73
8.1.280.0150.00025.92
8.1.270.0060.00323.71
8.1.260.0000.00826.35
8.1.250.0110.00428.09
8.1.240.0050.00520.86
8.1.230.0090.00317.52
8.1.220.0030.00517.79
8.1.210.0050.00318.77
8.1.200.0040.00417.35
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0040.00418.57
8.1.160.0000.00822.09
8.1.150.0040.00418.82
8.1.140.0030.00617.47
8.1.130.0040.00417.84
8.1.120.0040.00417.38
8.1.110.0000.00817.52
8.1.100.0000.00717.50
8.1.90.0030.00417.39
8.1.80.0040.00417.39
8.1.70.0030.00317.45
8.1.60.0060.00317.52
8.1.50.0000.00817.61
8.1.40.0050.00317.58
8.1.30.0030.00517.50
8.1.20.0040.00417.53
8.1.10.0050.00217.54
8.1.00.0040.00417.53
8.0.300.0060.00318.77
8.0.290.0080.00416.63
8.0.280.0060.00318.40
8.0.270.0000.00717.23
8.0.260.0030.00317.19
8.0.250.0030.00316.97
8.0.240.0030.00516.98
8.0.230.0050.00316.93
8.0.220.0000.00716.94
8.0.210.0000.00716.83
8.0.200.0060.00017.05
8.0.190.0000.00717.01
8.0.180.0040.00416.93
8.0.170.0040.00416.96
8.0.160.0060.00316.81
8.0.150.0070.00016.88
8.0.140.0040.00416.77
8.0.130.0030.00313.43
8.0.120.0060.00316.90
8.0.110.0040.00417.00
8.0.100.0040.00416.79
8.0.90.0000.00716.96
8.0.80.0100.00616.90
8.0.70.0000.00716.95
8.0.60.0040.00416.72
8.0.50.0040.00416.95
8.0.30.0130.00917.23
8.0.20.0100.00917.40
8.0.10.0000.00817.09
8.0.00.0130.00916.59
7.4.330.0000.00515.09
7.4.320.0000.00616.44
7.4.300.0030.00316.49
7.4.290.0000.00716.64
7.4.280.0050.00316.52
7.4.270.0000.00716.50
7.4.260.0070.00016.62
7.4.250.0050.00316.65
7.4.240.0030.00416.50
7.4.230.0030.00316.52
7.4.220.0120.01216.60
7.4.210.0140.00016.66
7.4.200.0040.00416.73
7.4.160.0080.00816.50
7.4.150.0120.00917.40
7.4.140.0070.01017.86
7.4.130.0080.01016.40
7.4.120.0130.00416.60
7.4.110.0090.00916.73
7.4.100.0140.00716.62
7.4.90.0120.00616.69
7.4.80.0170.01619.39
7.4.70.0040.01216.53
7.4.60.0060.01016.48
7.4.50.0040.00016.44
7.4.40.0100.01016.48
7.4.30.0040.01216.39
7.4.00.0080.01014.94
7.3.330.0060.00013.21
7.3.320.0020.00213.19
7.3.310.0000.00716.43
7.3.300.0070.00016.41
7.3.290.0090.01216.45
7.3.280.0120.00816.35
7.3.270.0160.00317.40
7.3.260.0070.01016.41
7.3.250.0050.01216.44
7.3.240.0070.01116.46
7.3.230.0140.00916.39
7.3.210.0120.00616.31
7.3.200.0030.01619.39
7.3.190.0080.00916.68
7.3.180.0080.00816.70
7.3.170.0140.00716.48
7.3.160.0050.01116.38
7.3.120.0080.00815.16
7.3.110.0130.00714.81
7.3.100.0060.00615.18
7.3.90.0090.00615.06
7.3.80.0060.00914.69
7.3.70.0060.00615.02
7.3.60.0070.00714.57
7.3.50.0000.01014.80
7.3.40.0070.01015.05
7.3.30.0100.00314.59
7.3.20.0030.00616.68
7.3.10.0090.00616.89
7.3.00.0080.00816.62
7.2.330.0110.00716.45
7.2.320.0030.01416.76
7.2.310.0140.00316.80
7.2.300.0140.00316.76
7.2.290.0070.01116.71
7.2.250.0130.00615.15
7.2.240.0060.01514.58
7.2.230.0060.01015.30
7.2.220.0000.01214.99
7.2.210.0000.01415.18
7.2.200.0000.01014.84
7.2.190.0070.01015.11
7.2.180.0090.00615.12
7.2.170.0120.00314.98
7.2.00.0070.00719.33
7.1.330.0090.00615.91
7.1.320.0030.01015.82
7.1.310.0090.00615.92
7.1.300.0000.00815.77
7.1.290.0080.00415.75
7.1.280.0030.00815.84
7.1.270.0000.01315.70
7.1.260.0070.00415.84
7.1.100.0030.01318.15
7.1.70.0000.00717.13
7.1.60.0060.01819.46
7.1.50.0090.00316.85
7.1.00.0030.07722.44
7.0.200.0000.01016.68
7.0.140.0100.06022.04
7.0.110.0200.07020.09
7.0.100.0130.08320.01
7.0.90.0130.08020.11
7.0.80.0100.06019.92
7.0.70.0170.07720.13
7.0.60.0300.06720.08
7.0.50.0170.08020.03
7.0.40.0070.06719.69
7.0.30.0070.08019.64
7.0.20.0130.07719.82
7.0.10.0070.08319.81
7.0.00.0100.04719.70
5.6.280.0030.07320.96
5.6.260.0100.07720.70
5.6.250.0070.06020.74
5.6.240.0100.07320.74
5.6.230.0170.07020.58
5.6.220.0100.06320.71
5.6.210.0100.07320.65
5.6.200.0070.07720.64
5.6.190.0130.07320.68
5.6.180.0100.08020.67
5.6.170.0070.08320.57
5.6.160.0070.07720.68
5.6.150.0100.05020.88
5.6.140.0100.08020.64
5.6.130.0070.08320.74
5.6.120.0130.04320.61
5.6.110.0000.07320.65
5.6.100.0030.08320.67
5.6.90.0070.07720.70
5.6.80.0200.03320.05
5.6.70.0170.07719.86
5.6.60.0100.07020.10
5.6.50.0100.05720.05
5.6.40.0030.04720.03
5.6.30.0070.06319.98
5.6.20.0100.04720.00
5.6.10.0070.08020.03
5.6.00.0130.07019.90
5.5.380.0030.05020.32
5.5.370.0130.07720.60
5.5.360.0100.04720.26
5.5.350.0130.08020.43
5.5.340.0100.08020.93
5.5.330.0230.06720.90
5.5.320.0130.08020.77
5.5.310.0070.08320.80
5.5.300.0070.08020.96
5.5.290.0070.06720.93
5.5.280.0070.05020.83
5.5.270.0030.08021.03
5.5.260.0070.07021.00
5.5.250.0170.07020.63
5.5.240.0070.06720.11
5.5.230.0070.08020.36
5.5.220.0000.08020.30
5.5.210.0130.07020.39
5.5.200.0030.08720.32
5.5.190.0200.07020.21
5.5.180.0000.08720.28
5.5.160.0070.08320.12
5.5.150.0170.06320.21
5.5.140.0070.07720.36
5.5.130.0070.06720.30
5.5.120.0100.07320.15
5.5.110.0170.07320.20
5.5.100.0170.06720.04
5.5.90.0100.07320.12
5.5.80.0070.07720.04
5.5.70.0100.08020.05
5.5.60.0000.08020.03
5.5.50.0030.07720.06
5.5.40.0070.08020.15
5.5.30.0100.06720.29
5.5.20.0070.07720.26
5.5.10.0070.07720.06
5.5.00.0070.07319.96
5.4.450.0100.04719.43
5.4.440.0070.06719.34
5.4.430.0030.05019.51
5.4.420.0030.04719.46
5.4.410.0070.07019.38
5.4.400.0070.07719.04
5.4.390.0130.06719.34
5.4.380.0130.06319.25
5.4.370.0100.07319.19
5.4.360.0130.06719.18
5.4.350.0030.08019.14
5.4.340.0100.08018.98
5.4.320.0100.07019.22
5.4.310.0200.06319.14
5.4.300.0100.07019.01
5.4.290.0070.05319.09
5.4.280.0030.04719.32
5.4.270.0030.07319.03
5.4.260.0130.06719.25
5.4.250.0100.04019.03
5.4.240.0070.07018.97
5.4.230.0130.04319.18
5.4.220.0100.07019.17
5.4.210.0070.07319.03
5.4.200.0200.04319.13
5.4.190.0100.07318.97
5.4.180.0070.08019.08
5.4.170.0070.07319.05
5.4.160.0000.08019.23
5.4.150.0030.08019.32
5.4.140.0030.07316.45
5.4.130.0100.07716.34
5.4.120.0100.07016.55
5.4.110.0070.07716.60
5.4.100.0000.06716.72
5.4.90.0130.06316.32
5.4.80.0030.06316.60
5.4.70.0030.06716.45
5.4.60.0030.08316.45
5.4.50.0130.06716.29
5.4.40.0200.06316.68
5.4.30.0070.04016.43
5.4.20.0030.08016.29
5.4.10.0070.04316.25
5.4.00.0030.07016.03
5.3.290.0070.08014.84
5.3.280.0030.08014.65
5.3.270.0130.06314.60
5.3.260.0230.05714.62
5.3.250.0030.07714.63
5.3.240.0070.07714.61
5.3.230.0070.07714.63
5.3.220.0070.05014.82
5.3.210.0170.06314.57
5.3.200.0030.07714.60
5.3.190.0070.07314.60
5.3.180.0030.06014.60
5.3.170.0100.06014.71
5.3.160.0030.07714.68
5.3.150.0100.07314.67
5.3.140.0030.07714.54
5.3.130.0100.07314.66
5.3.120.0000.08314.53
5.3.110.0070.07314.43
5.3.100.0070.07314.11
5.3.90.0030.06314.06
5.3.80.0100.06714.27
5.3.70.0030.07014.05
5.3.60.0030.04714.10
5.3.50.0130.05313.95
5.3.40.0030.08013.84
5.3.30.0200.06713.96
5.3.20.0030.07713.75
5.3.10.0030.06313.76
5.3.00.0070.06313.69
5.2.170.0070.05313.07
5.2.160.0070.03313.07
5.2.150.0030.06313.07
5.2.140.0070.06013.07
5.2.130.0070.05313.07
5.2.120.0070.05313.07
5.2.110.0000.06313.07
5.2.100.0070.05013.07
5.2.90.0130.05013.07
5.2.80.0030.06313.07
5.2.70.0000.03713.07
5.2.60.0070.06013.07
5.2.50.0100.05713.07
5.2.40.0100.03313.07
5.2.30.0130.05713.07
5.2.20.0000.06013.07
5.2.10.0130.05713.07
5.2.00.0070.05713.07
5.1.60.0030.05713.07
5.1.50.0030.05313.07
5.1.40.0030.05013.07
5.1.30.0070.03013.07
5.1.20.0000.03713.07
5.1.10.0030.05013.07
5.1.00.0000.05313.07
5.0.50.0030.04713.07
5.0.40.0100.02713.07
5.0.30.0030.06313.07
5.0.20.0070.03013.07
5.0.10.0000.03713.07
5.0.00.0030.06713.07
4.4.90.0070.03013.07
4.4.80.0000.02013.07
4.4.70.0000.04013.07
4.4.60.0070.03313.07
4.4.50.0070.03013.07
4.4.40.0030.05713.07
4.4.30.0000.02013.07
4.4.20.0000.03713.07
4.4.10.0000.03713.07
4.4.00.0000.05013.07
4.3.110.0030.01713.07
4.3.100.0000.03313.07
4.3.90.0070.02713.07
4.3.80.0000.05313.07
4.3.70.0030.03313.07
4.3.60.0030.02013.07
4.3.50.0000.03313.07
4.3.40.0070.04313.07
4.3.30.0070.03013.07
4.3.20.0070.03313.07
4.3.10.0100.03013.07
4.3.00.0000.02713.07

preferences:
44.26 ms | 401 KiB | 5 Q