3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 []= 'wello'; $var2 = 'woodbye wruel world'; $var3 = pack("C*", 0x76, 0x32 + 0x33, 0x6c, 0x6e-2, 0x6f); var_dump($var3); var_dump(poor_mans_strcmp('a', 'z')); var_dump(poor_mans_strcmp('q111f', 'fffff')); var_dump(poor_mans_strcmp($arr1, $var2)); var_dump(poor_mans_strcmp($arr1[0], $var2)); var_dump(poor_mans_strcmp($var2, $var2)); var_dump(poor_mans_strcmp($arr1[0], $var3)); function poor_mans_strcmp($str1, $str2) { $result = 0; $str3 = 'a' . $str1; $str4 = 'a' . $str2; var_dump($str3, $str4); if ($str3 < $str4) { $result = -1; } if ($str3 > $str4) { $result = 1; } return $result; }

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)
8.3.40.0060.00918.75
8.3.30.0090.00619.21
8.3.20.0080.00020.21
8.3.10.0040.00423.70
8.3.00.0080.00019.51
8.2.170.0040.01119.07
8.2.160.0070.00722.96
8.2.150.0060.00325.66
8.2.140.0050.00324.66
8.2.130.0060.00326.16
8.2.120.0040.00421.16
8.2.110.0030.00620.52
8.2.100.0070.00418.16
8.2.90.0040.00419.34
8.2.80.0040.00417.97
8.2.70.0080.00017.63
8.2.60.0040.00418.05
8.2.50.0000.00818.07
8.2.40.0080.00018.16
8.2.30.0040.00418.16
8.2.20.0040.00417.80
8.2.10.0040.00418.18
8.2.00.0030.00617.75
8.1.270.0030.00623.98
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0000.00922.20
8.1.230.0110.00019.04
8.1.220.0030.00617.78
8.1.210.0090.00018.77
8.1.200.0070.00317.23
8.1.190.0000.00817.35
8.1.180.0040.00418.10
8.1.170.0000.00818.64
8.1.160.0040.00421.93
8.1.150.0000.00818.93
8.1.140.0020.00517.45
8.1.130.0000.00717.75
8.1.120.0030.00517.46
8.1.110.0040.00417.44
8.1.100.0040.00417.34
8.1.90.0040.00417.49
8.1.80.0040.00417.46
8.1.70.0070.00017.40
8.1.60.0030.00517.55
8.1.50.0030.00617.46
8.1.40.0040.00417.52
8.1.30.0080.00017.66
8.1.20.0000.00817.57
8.1.10.0030.00617.55
8.1.00.0040.00417.44
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0070.00018.51
8.0.270.0050.00216.73
8.0.260.0000.00617.18
8.0.250.0050.00217.05
8.0.240.0090.00017.04
8.0.230.0000.00717.04
8.0.220.0040.00416.95
8.0.210.0060.00316.95
8.0.200.0000.00716.99
8.0.190.0030.00617.00
8.0.180.0000.00717.04
8.0.170.0040.00416.91
8.0.160.0070.00016.84
8.0.150.0000.00716.90
8.0.140.0000.00816.89
8.0.130.0060.00013.41
8.0.120.0080.00016.93
8.0.110.0040.00416.87
8.0.100.0080.00016.91
8.0.90.0050.00216.92
8.0.80.0090.00616.96
8.0.70.0020.00516.95
8.0.60.0070.00016.77
8.0.50.0080.00016.96
8.0.30.0130.00616.86
8.0.20.0140.00717.40
8.0.10.0050.00316.97
8.0.00.0100.00917.01
7.4.330.0050.00015.09
7.4.320.0000.00616.61
7.4.300.0060.00016.36
7.4.290.0000.00716.49
7.4.280.0040.00416.56
7.4.270.0030.00416.56
7.4.260.0070.00016.59
7.4.250.0030.00516.52
7.4.240.0030.00516.52
7.4.230.0040.00416.52
7.4.220.0150.00916.58
7.4.210.0070.01416.51
7.4.200.0040.00316.68
7.4.160.0070.01416.57
7.4.150.0100.01017.40
7.4.140.0090.00917.86
7.4.130.0090.00816.50
7.4.120.0020.01516.58
7.4.110.0290.01616.57
7.4.100.0140.00316.67
7.4.90.0040.01416.31
7.4.80.0120.00619.39
7.4.70.0100.01016.64
7.4.60.0060.01016.45
7.4.50.0030.00316.49
7.4.40.0040.01916.52
7.4.30.0130.00816.54
7.4.00.0080.00814.84
7.3.330.0030.00313.44
7.3.320.0080.00013.37
7.3.310.0070.00016.45
7.3.300.0070.00016.46
7.3.290.0170.00316.47
7.3.280.0090.00816.46
7.3.270.0150.00417.40
7.3.260.0190.00016.53
7.3.250.0130.00916.58
7.3.240.0160.00616.36
7.3.230.0200.00316.45
7.3.210.0070.01116.42
7.3.200.0090.01219.39
7.3.190.0060.01216.61
7.3.180.0090.00816.53
7.3.170.0060.01016.63
7.3.160.0030.01216.62
7.3.120.0140.00315.06
7.3.110.0070.00714.87
7.3.100.0070.00414.87
7.3.90.0070.00714.78
7.3.80.0120.00314.80
7.3.70.0140.00014.61
7.3.60.0090.00614.72
7.3.50.0030.00914.93
7.3.40.0030.01214.84
7.3.30.0000.01314.59
7.3.20.0030.01416.70
7.3.10.0070.00416.84
7.3.00.0030.00916.59
7.2.330.0090.00916.82
7.2.320.0090.00916.65
7.2.310.0060.01216.82
7.2.300.0130.00316.63
7.2.290.0040.01516.43
7.2.250.0000.02114.96
7.2.240.0100.00714.79
7.2.230.0100.00714.93
7.2.220.0100.01014.82
7.2.210.0000.01514.99
7.2.200.0000.00914.62
7.2.190.0040.01115.00
7.2.180.0080.00315.20
7.2.170.0110.00715.02
7.2.00.0000.01619.26
7.1.330.0060.01015.64
7.1.320.0100.00315.73
7.1.310.0080.00815.83
7.1.300.0060.01015.55
7.1.290.0030.01315.53
7.1.280.0090.00315.83
7.1.270.0070.01015.46
7.1.260.0040.01115.66
7.1.100.0120.00818.00
7.1.70.0060.00317.16
7.1.60.0070.01719.46
7.1.50.0120.00916.98
7.1.00.0000.08022.43
7.0.200.0070.00016.66
7.0.140.0030.07321.95
7.0.60.0070.08319.95
7.0.50.0030.08017.73
7.0.40.0030.05020.30
7.0.30.0070.05020.15
7.0.20.0270.05020.07
7.0.10.0200.07720.02
7.0.00.0030.07320.07
5.6.280.0070.06721.15
5.6.210.0130.07720.75
5.6.200.0100.08318.25
5.6.190.0070.08720.61
5.6.180.0230.08320.52
5.6.170.0200.04320.53
5.6.160.0070.08020.45
5.6.150.0070.08718.29
5.6.140.0170.03018.28
5.6.130.0130.07318.18
5.6.120.0100.05321.05
5.6.110.0070.08720.99
5.6.100.0100.06321.02
5.6.90.0230.05021.01
5.6.80.0170.03320.54
5.5.350.0130.08320.43
5.5.340.0000.04018.02
5.5.330.0070.05320.08
5.5.320.0270.04020.24
5.5.310.0230.05320.35
5.5.300.0130.06317.92
5.5.290.0100.07017.98
5.5.280.0130.04320.97
5.5.270.0030.04020.73
5.5.260.0070.04020.77
5.5.250.0070.04020.76
5.5.240.3270.04020.26
5.4.450.0130.05319.20
5.4.440.0230.04719.64
5.4.430.0100.03719.30
5.4.420.0170.04019.54
5.4.410.0200.03719.07
5.4.400.0100.04319.09
5.4.390.0170.04719.15
5.4.380.0130.06718.72
5.4.370.0230.06318.77
5.4.360.0430.05318.70
5.4.350.0370.05018.61
5.4.340.0500.05718.59
5.4.320.0080.03512.50
5.4.310.0070.03712.50
5.4.300.0090.04412.51
5.4.290.0070.03812.50
5.4.280.0080.03612.40
5.4.270.0060.04512.40
5.4.260.0040.03912.39
5.4.250.0080.03512.39
5.4.240.0060.04412.40
5.4.230.0050.03912.39
5.4.220.0050.04212.39
5.4.210.0060.03512.39
5.4.200.0060.03812.39
5.4.190.0060.03812.39
5.4.180.0080.03512.39
5.4.170.0070.03512.39
5.4.160.0070.03512.39
5.4.150.0040.04112.39
5.4.140.0070.03612.07
5.4.130.0070.03412.06
5.4.120.0030.03812.02
5.4.110.0070.04512.01
5.4.100.0050.03512.01
5.4.90.0050.04112.01
5.4.80.0040.03712.02
5.4.70.0080.03112.00
5.4.60.0060.03312.01
5.4.50.0060.03512.01
5.4.40.0060.03612.00
5.4.30.0050.03611.99
5.4.20.0050.03512.00
5.4.10.0060.03311.99
5.4.00.0040.03711.48
5.3.290.0050.04212.80
5.3.280.0070.03512.71
5.3.270.0080.03612.73
5.3.260.0080.03612.72
5.3.250.0040.03812.72
5.3.240.0090.03312.72
5.3.230.0020.04112.71
5.3.220.0090.03312.68
5.3.210.0060.03812.68
5.3.200.0040.03812.68
5.3.190.0080.03512.68
5.3.180.0050.03712.67
5.3.170.0080.03412.67
5.3.160.0060.03612.67
5.3.150.0060.03712.67
5.3.140.0060.03612.66
5.3.130.0090.03612.66
5.3.120.0060.03812.65
5.3.110.0020.04212.65
5.3.100.0070.03512.12
5.3.90.0050.03712.10
5.3.80.0060.03812.09
5.3.70.0060.03612.09
5.3.60.0080.03312.07
5.3.50.0060.03612.03
5.3.40.0060.03512.03
5.3.30.0020.03811.98
5.3.20.0080.03211.77
5.3.10.0060.03411.73
5.3.00.0030.03711.71
5.2.170.0050.0309.22
5.2.160.0050.0339.22
5.2.150.0080.0279.22
5.2.140.0050.0309.21
5.2.130.0020.0319.18
5.2.120.0040.0289.18
5.2.110.0050.0299.19
5.2.100.0040.0299.17
5.2.90.0050.0289.18
5.2.80.0050.0299.17
5.2.70.0060.0289.18
5.2.60.0050.0339.13
5.2.50.0050.0299.10
5.2.40.0050.0299.07
5.2.30.0070.0289.05
5.2.20.0030.0319.04
5.2.10.0040.0298.94
5.2.00.0040.0298.81
5.1.60.0040.0238.09
5.1.50.0040.0258.08
5.1.40.0050.0238.07
5.1.30.0050.0258.41
5.1.20.0030.0358.44
5.1.10.0030.0278.16
5.1.00.0030.0398.16
5.0.50.0040.0246.65
5.0.40.0020.0226.51
5.0.30.0020.0366.32
5.0.20.0040.0316.29
5.0.10.0040.0196.27
5.0.00.0030.0336.27
4.4.90.0070.0194.78
4.4.80.0040.0174.75
4.4.70.0010.0174.76
4.4.60.0040.0144.75
4.4.50.0010.0174.77
4.4.40.0020.0264.71
4.4.30.0030.0164.76
4.4.20.0020.0184.84
4.4.10.0050.0144.85
4.4.00.0020.0254.76
4.3.110.0020.0174.67
4.3.100.0030.0154.66
4.3.90.0020.0154.63
4.3.80.0030.0244.58
4.3.70.0050.0124.63
4.3.60.0020.0154.63
4.3.50.0020.0174.63
4.3.40.0000.0264.54
4.3.30.0030.0153.32
4.3.20.0010.0173.30
4.3.10.0040.0193.26
4.3.00.0000.02018.23

preferences:
32.01 ms | 400 KiB | 5 Q