3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 []= 'wello'; $var2 = 'woodbye wruel world'; $var3 = pack("C*", 0x76, 0x32 + 0x33, 0x6c, 0x6e-2, 0x6f); var_dump(poor_mans_strcmp('a', 'z')); var_dump(poor_mans_strcmp('q111f', 'fffff')); var_dump(poor_mans_strcmp($arr1, $var2)); var_dump(poor_mans_strcmp($arr1[0], $var2)); var_dump(poor_mans_strcmp($var2, $var2)); function poor_mans_strcmp($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)
8.3.70.0060.00916.63
8.3.60.0040.01118.68
8.3.50.0190.01222.88
8.3.40.0090.00618.60
8.3.30.0140.00319.18
8.3.20.0040.00420.18
8.3.10.0040.00423.48
8.3.00.0000.00819.38
8.2.180.0110.00416.63
8.2.170.0000.01422.96
8.2.160.0120.00320.52
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0050.00326.16
8.2.120.0030.00520.93
8.2.110.0090.00020.43
8.2.100.0060.00618.34
8.2.90.0050.00319.07
8.2.80.0050.00317.97
8.2.70.0040.00417.50
8.2.60.0000.00917.93
8.2.50.0040.00418.07
8.2.40.0000.00818.34
8.2.30.0040.00418.00
8.2.20.0040.00417.62
8.2.10.0030.00618.13
8.2.00.0050.00317.66
8.1.280.0070.01125.92
8.1.270.0090.00023.97
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0060.00321.99
8.1.230.0060.00619.21
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0000.00817.23
8.1.190.0000.00917.22
8.1.180.0030.00518.10
8.1.170.0040.00418.46
8.1.160.0070.00022.00
8.1.150.0070.00018.81
8.1.140.0060.00317.46
8.1.130.0040.00417.88
8.1.120.0040.00317.43
8.1.110.0050.00217.46
8.1.100.0000.00717.45
8.1.90.0000.00817.36
8.1.80.0040.00417.46
8.1.70.0030.00317.41
8.1.60.0030.00517.47
8.1.50.0000.00817.39
8.1.40.0030.00517.52
8.1.30.0050.00317.45
8.1.20.0080.00017.65
8.1.10.0080.00017.54
8.1.00.0000.01017.52
8.0.300.0000.00718.77
8.0.290.0000.00716.63
8.0.280.0030.00318.34
8.0.270.0040.00417.31
8.0.260.0000.00817.30
8.0.250.0030.00317.02
8.0.240.0040.00416.91
8.0.230.0050.00216.95
8.0.220.0030.00316.94
8.0.210.0040.00416.96
8.0.200.0000.00816.88
8.0.190.0090.00016.99
8.0.180.0080.00016.95
8.0.170.0050.00316.94
8.0.160.0050.00217.00
8.0.150.0050.00316.87
8.0.140.0000.00716.84
8.0.130.0030.00313.42
8.0.120.0080.00017.00
8.0.110.0040.00416.86
8.0.100.0050.00216.99
8.0.90.0040.00416.90
8.0.80.0120.00316.97
8.0.70.0040.00416.89
8.0.60.0000.00816.92
8.0.50.0000.00816.75
8.0.30.0100.01017.15
8.0.20.0060.01717.42
8.0.10.0000.00717.13
8.0.00.0130.00516.90
7.4.330.0050.00015.14
7.4.320.0030.00316.43
7.4.300.0000.00616.64
7.4.290.0050.00316.64
7.4.280.0040.00416.61
7.4.270.0060.00016.61
7.4.260.0000.00716.47
7.4.250.0040.00416.56
7.4.240.0030.00416.52
7.4.230.0000.00716.70
7.4.220.0090.00916.43
7.4.210.0060.00916.55
7.4.200.0040.00416.50
7.4.160.0140.00316.55
7.4.150.0070.01117.40
7.4.140.0110.00917.86
7.4.130.0080.01416.57
7.4.120.0100.00816.58
7.4.110.0070.01016.58
7.4.100.0120.00616.32
7.4.90.0140.00316.51
7.4.80.0190.00619.39
7.4.70.0110.00716.36
7.4.60.0060.01616.24
7.4.50.0020.00216.56
7.4.40.0090.00916.58
7.4.30.0120.00816.55
7.4.00.0060.01114.91
7.3.330.0000.00613.43
7.3.320.0030.00313.43
7.3.310.0050.00216.30
7.3.300.0050.00216.44
7.3.290.0000.01516.43
7.3.280.0100.00716.40
7.3.270.0130.00517.40
7.3.260.0150.00316.52
7.3.250.0110.01316.50
7.3.240.0100.00616.65
7.3.230.0120.00616.42
7.3.210.0120.00716.61
7.3.200.0130.01019.39
7.3.190.0120.00616.30
7.3.180.0130.00716.65
7.3.170.0030.01416.54
7.3.160.0030.01316.49
7.3.120.0040.01415.02
7.3.110.0030.01414.71
7.3.100.0070.00714.95
7.3.90.0090.00414.90
7.3.80.0060.00614.70
7.3.70.0080.00415.00
7.3.60.0090.00614.95
7.3.50.0100.00314.71
7.3.40.0060.01014.75
7.3.30.0040.01114.82
7.3.20.0090.00916.68
7.3.10.0070.00716.66
7.3.00.0040.00716.73
7.2.330.0120.01216.84
7.2.320.0090.00916.52
7.2.310.0110.00616.76
7.2.300.0090.00916.57
7.2.290.0060.01216.45
7.2.250.0100.00315.13
7.2.240.0070.01015.18
7.2.230.0030.01414.79
7.2.220.0030.00715.05
7.2.210.0030.01015.34
7.2.200.0060.00915.24
7.2.190.0110.00715.16
7.2.180.0060.00314.63
7.2.170.0060.00615.00
7.2.60.0190.00716.61
7.2.00.0000.01219.23
7.1.330.0040.01115.87
7.1.320.0030.01315.75
7.1.310.0040.00715.87
7.1.300.0030.00615.89
7.1.290.0030.00615.82
7.1.280.0040.00815.72
7.1.270.0140.00015.60
7.1.260.0030.00615.63
7.1.200.0050.00515.55
7.1.100.0190.00818.10
7.1.70.0030.00617.31
7.1.60.0140.01019.46
7.1.50.0090.00316.95
7.1.00.0070.07322.30
7.0.200.0030.00716.71
7.0.140.0030.07022.09
7.0.60.0000.04320.04
7.0.50.0130.07317.94
7.0.40.0030.08720.11
7.0.30.0270.07020.06
7.0.20.0100.04720.07
7.0.10.0070.08020.06
7.0.00.0070.05720.19
5.6.280.0000.07721.05
5.6.210.0300.06320.61
5.6.200.0030.08318.22
5.6.190.0070.08720.57
5.6.180.0200.04320.61
5.6.170.0330.04020.51
5.6.160.0030.09020.56
5.6.150.0070.06018.15
5.6.140.0070.08718.18
5.6.130.0030.04018.29
5.6.120.0070.04021.04
5.6.110.0030.09021.14
5.6.100.0030.08721.01
5.6.90.0130.06721.07
5.6.80.0070.06020.44
5.6.70.0030.04720.42
5.5.350.0230.07320.34
5.5.340.0070.08317.93
5.5.330.0170.07320.29
5.5.320.0030.08320.24
5.5.310.0170.07320.19
5.5.300.0030.08018.04
5.5.290.0100.05717.95
5.5.280.0030.07320.88
5.5.270.0100.05720.73
5.5.260.0070.08020.87
5.5.250.0030.08020.80
5.5.240.0230.05020.05
5.4.450.0200.05719.49
5.4.440.0370.04019.32
5.4.430.0030.03719.32
5.4.420.0130.04319.52
5.4.410.0070.04019.41
5.4.400.0070.04319.20
5.4.390.0500.03319.10
5.4.380.0430.05718.80
5.4.370.0330.05318.56
5.4.360.0530.04718.80
5.4.350.0300.05718.83
5.4.340.0230.06018.63
5.4.320.0080.03412.50
5.4.310.0040.04012.50
5.4.300.0080.03512.51
5.4.290.0040.04012.50
5.4.280.0070.03412.40
5.4.270.0060.03712.40
5.4.260.0050.03812.40
5.4.250.0060.03712.40
5.4.240.0040.03812.40
5.4.230.0040.04012.39
5.4.220.0090.03312.39
5.4.210.0060.03512.39
5.4.200.0040.04012.39
5.4.190.0050.03712.39
5.4.180.0040.03712.38
5.4.170.0060.03512.40
5.4.160.0040.03712.39
5.4.150.0040.03712.39
5.4.140.0020.04012.07
5.4.130.0050.03612.06
5.4.120.0060.03612.02
5.4.110.0040.03712.01
5.4.100.0050.03612.01
5.4.90.0080.03812.02
5.4.80.0040.04012.01
5.4.70.0100.03012.01
5.4.60.0040.03612.01
5.4.50.0030.03712.01
5.4.40.0060.03312.00
5.4.30.0050.03412.00
5.4.20.0020.03811.99
5.4.10.0060.03312.00
5.4.00.0030.03711.48
5.3.290.0050.04012.80
5.3.280.0040.03912.70
5.3.270.0060.03912.73
5.3.260.0040.04012.72
5.3.250.0030.03912.72
5.3.240.0040.03912.72
5.3.230.0070.03612.71
5.3.220.0050.03812.68
5.3.210.0050.04012.68
5.3.200.0060.04312.68
5.3.190.0050.04112.68
5.3.180.0060.03712.67
5.3.170.0120.04512.66
5.3.160.0120.04612.67
5.3.150.0080.05212.67
5.3.140.0080.05512.66
5.3.130.0090.05212.65
5.3.120.0060.05212.65
5.3.110.0070.04112.66
5.3.100.0080.03512.12
5.3.90.0140.03212.10
5.3.80.0090.03912.09
5.3.70.0060.04212.09
5.3.60.0090.03712.07
5.3.50.0050.03612.02
5.3.40.0030.04112.03
5.3.30.0060.04711.98
5.3.20.0130.04211.77
5.3.10.0070.04911.73
5.3.00.0090.03511.71
5.2.170.0060.0309.22
5.2.160.0050.0309.22
5.2.150.0040.0329.22
5.2.140.0060.0309.21
5.2.130.0100.0309.18
5.2.120.0040.0289.18
5.2.110.0020.0319.19
5.2.100.0070.0259.18
5.2.90.0050.0279.18
5.2.80.0070.0319.18
5.2.70.0050.0309.18
5.2.60.0060.0289.12
5.2.50.0030.0319.09
5.2.40.0050.0279.07
5.2.30.0040.0309.05
5.2.20.0050.0289.04
5.2.10.0040.0298.94
5.2.00.0040.0298.81
5.1.60.0040.0248.08
5.1.50.0070.0228.08
5.1.40.0050.0238.07
5.1.30.0020.0278.42
5.1.20.0020.0288.44
5.1.10.0050.0258.16
5.1.00.0010.0288.16
5.0.50.0030.0216.64
5.0.40.0040.0186.50
5.0.30.0040.0296.31
5.0.20.0030.0196.28
5.0.10.0030.0206.26
5.0.00.0040.0306.25
4.4.90.0030.0154.77
4.4.80.0010.0174.75
4.4.70.0030.0154.76
4.4.60.0010.0174.75
4.4.50.0030.0154.77
4.4.40.0020.0264.71
4.4.30.0020.0164.76
4.4.20.0020.0184.85
4.4.10.0030.0164.84
4.4.00.0000.0284.76
4.3.110.0020.0164.67
4.3.100.0020.0154.66
4.3.90.0020.0154.63
4.3.80.0040.0234.58
4.3.70.0030.0144.63
4.3.60.0010.0164.62
4.3.50.0020.0154.63
4.3.40.0010.0254.54
4.3.30.0020.0163.31
4.3.20.0020.0153.29
4.3.10.0000.0173.25
4.3.00.0070.01318.23

preferences:
62.62 ms | 401 KiB | 5 Q