3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 []= 'wello'; $var2 = 'woodbye wruel world'; var_dump(poor_mans_strcmp($arr1, $var2)); var_dump(poor_mans_strcmp($arr1[1], $var2)); var_dump(poor_mans_strcmp($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)
8.3.60.0070.00718.55
8.3.50.0090.00822.88
8.3.40.0110.00418.70
8.3.30.0150.00419.21
8.3.20.0050.00320.21
8.3.10.0050.00323.37
8.3.00.0050.00319.38
8.2.180.0160.00318.62
8.2.170.0150.00322.96
8.2.160.0120.00320.52
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0050.00321.10
8.2.110.0060.00320.45
8.2.100.0040.00718.22
8.2.90.0040.00419.31
8.2.80.0040.00417.97
8.2.70.0090.00317.75
8.2.60.0090.00018.03
8.2.50.0030.00618.07
8.2.40.0030.00518.22
8.2.30.0040.00418.14
8.2.20.0040.00417.73
8.2.10.0050.00218.00
8.2.00.0040.00417.87
8.1.280.0120.00425.92
8.1.270.0090.00024.02
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0030.00622.08
8.1.230.0040.00719.21
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0030.00717.10
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0050.00518.44
8.1.160.0000.00722.13
8.1.150.0000.00718.81
8.1.140.0070.00017.50
8.1.130.0070.00017.83
8.1.120.0030.00317.39
8.1.110.0050.00217.40
8.1.100.0000.00717.46
8.1.90.0070.00017.50
8.1.80.0070.00017.48
8.1.70.0000.00717.35
8.1.60.0070.00317.53
8.1.50.0050.00317.42
8.1.40.0050.00317.52
8.1.30.0090.00017.59
8.1.20.0000.00817.71
8.1.10.0000.00717.64
8.1.00.0000.00817.39
8.0.300.0040.00418.77
8.0.290.0040.00416.88
8.0.280.0000.00718.39
8.0.270.0000.00817.17
8.0.260.0000.00617.18
8.0.250.0030.00316.92
8.0.240.0060.00316.99
8.0.230.0000.00716.90
8.0.220.0000.00816.88
8.0.210.0040.00417.00
8.0.200.0030.00316.98
8.0.190.0060.00316.93
8.0.180.0040.00416.91
8.0.170.0080.00016.83
8.0.160.0080.00016.99
8.0.150.0000.00816.89
8.0.140.0000.00716.89
8.0.130.0030.00313.39
8.0.120.0020.00516.90
8.0.110.0020.00517.00
8.0.100.0070.00016.77
8.0.90.0040.00416.83
8.0.80.0120.00316.90
8.0.70.0040.00416.89
8.0.60.0000.00817.01
8.0.50.0070.00016.94
8.0.30.0110.00817.40
8.0.20.0110.00917.40
8.0.10.0030.00617.01
8.0.00.0120.01016.77
7.4.330.0000.00515.00
7.4.320.0030.00316.56
7.4.300.0060.00016.52
7.4.290.0030.00316.48
7.4.280.0040.00416.54
7.4.270.0000.00716.60
7.4.260.0070.00016.59
7.4.250.0040.00416.46
7.4.240.0040.00416.62
7.4.230.0070.00016.64
7.4.220.0070.01116.55
7.4.210.0090.00616.68
7.4.200.0000.00716.55
7.4.160.0110.00616.46
7.4.150.0230.00317.40
7.4.140.0110.00717.86
7.4.130.0140.00316.65
7.4.120.0130.00316.55
7.4.110.0050.01116.38
7.4.100.0080.01216.40
7.4.90.0040.01316.59
7.4.80.0170.00019.39
7.4.70.0140.00316.41
7.4.60.0030.01316.53
7.4.50.0060.00316.45
7.4.40.0140.00816.54
7.4.30.0120.00416.73
7.4.00.0110.00415.18
7.3.330.0030.00313.45
7.3.320.0000.00613.51
7.3.310.0030.00316.32
7.3.300.0030.00316.27
7.3.290.0000.01616.45
7.3.280.0060.01416.40
7.3.270.0130.00717.40
7.3.260.0090.00916.48
7.3.250.0100.00916.67
7.3.240.0150.00316.51
7.3.230.0060.00916.43
7.3.210.0110.00716.44
7.3.200.0030.01319.39
7.3.190.0120.00916.65
7.3.180.0090.00616.64
7.3.170.0060.00916.39
7.3.160.0170.00016.49
7.2.330.0060.01116.52
7.2.320.0160.00316.78
7.2.310.0040.01816.73
7.2.300.0170.00016.46
7.2.290.0060.01116.32
7.2.00.0070.00719.50
7.1.100.0210.00318.27
7.1.70.0030.00617.23
7.1.60.0120.01219.46
7.1.50.0040.01917.09
7.1.00.0000.08022.54
7.0.200.0040.00416.43
7.0.140.0030.07022.23
7.0.60.0000.04319.79
7.0.50.0100.08017.88
7.0.40.0130.04320.11
7.0.30.0300.06320.07
7.0.20.0230.07020.23
7.0.10.0070.04020.10
7.0.00.0070.05320.09
5.6.280.0030.07321.07
5.6.210.0070.04720.77
5.6.200.0000.04318.20
5.6.190.0130.08320.39
5.6.180.0230.08020.45
5.6.170.0130.04320.56
5.6.160.0030.04320.43
5.6.150.0130.07718.19
5.6.140.0130.03018.18
5.6.130.0170.04018.23
5.6.120.0030.06320.89
5.6.110.0130.08320.86
5.6.100.0170.06320.98
5.6.90.0070.07721.02
5.6.80.0070.08020.41
5.5.350.0230.08020.39
5.5.340.0000.04718.07
5.5.330.0100.08320.21
5.5.320.0070.06720.27
5.5.310.0400.03720.41
5.5.300.0000.08718.03
5.5.290.0070.04018.00
5.5.280.0070.03720.62
5.5.270.0270.06320.84
5.5.260.0130.07720.96
5.5.250.0000.08720.59
5.5.240.0200.07020.27
5.4.450.0270.04319.49
5.4.440.0130.03019.32
5.4.430.0170.04019.52
5.4.420.0100.04019.47
5.4.410.0130.04019.14
5.4.400.0170.04319.13
5.4.390.0300.04019.15
5.4.380.0070.06318.81
5.4.370.0400.05318.56
5.4.360.0300.06018.54
5.4.350.0470.05718.70
5.4.340.0400.06718.50
5.4.320.0090.03312.50
5.4.310.0080.03612.50
5.4.300.0030.04112.50
5.4.290.0060.03812.50
5.4.280.0070.03412.40
5.4.270.0040.03712.40
5.4.260.0040.03912.40
5.4.250.0060.03812.40
5.4.240.0060.03512.39
5.4.230.0070.03712.39
5.4.220.0050.03912.39
5.4.210.0110.04412.39
5.4.200.0030.04212.39
5.4.190.0060.03712.39
5.4.180.0040.04012.39
5.4.170.0070.03712.40
5.4.160.0030.03812.39
5.4.150.0040.03912.38
5.4.140.0060.03712.07
5.4.130.0050.03712.06
5.4.120.0040.04012.02
5.4.110.0020.04012.01
5.4.100.0090.03312.01
5.4.90.0060.03912.02
5.4.80.0040.03912.01
5.4.70.0070.03312.01
5.4.60.0060.03512.01
5.4.50.0020.03912.01
5.4.40.0020.03812.00
5.4.30.0060.03611.99
5.4.20.0090.03311.99
5.4.10.0050.04412.00
5.4.00.0040.03911.48
5.3.290.0050.04012.80
5.3.280.0090.03712.71
5.3.270.0070.04112.72
5.3.260.0130.03712.72
5.3.250.0100.03412.72
5.3.240.0030.04012.72
5.3.230.0070.03612.71
5.3.220.0040.03912.68
5.3.210.0040.04112.68
5.3.200.0060.03612.68
5.3.190.0100.03312.68
5.3.180.0060.03712.68
5.3.170.0030.04012.67
5.3.160.0080.03512.68
5.3.150.0070.03612.67
5.3.140.0050.03712.66
5.3.130.0040.04112.66
5.3.120.0070.03812.66
5.3.110.0060.03812.66
5.3.100.0080.03512.11
5.3.90.0040.03712.10
5.3.80.0050.03712.09
5.3.70.0070.04712.09
5.3.60.0060.03712.07
5.3.50.0090.03612.02
5.3.40.0120.03812.03
5.3.30.0090.03511.98
5.3.20.0040.03711.76
5.3.10.0030.04111.73
5.3.00.0040.03811.72
5.2.170.0050.0309.22
5.2.160.0030.0319.21
5.2.150.0080.0279.22
5.2.140.0050.0309.21
5.2.130.0060.0329.18
5.2.120.0060.0309.18
5.2.110.0060.0289.18
5.2.100.0050.0309.18
5.2.90.0030.0319.18
5.2.80.0040.0309.18
5.2.70.0050.0309.18
5.2.60.0030.0329.13
5.2.50.0030.0319.09
5.2.40.0040.0299.07
5.2.30.0080.0269.05
5.2.20.0040.0299.04
5.2.10.0050.0288.94
5.2.00.0030.0318.81
5.1.60.0050.0238.09
5.1.50.0100.0198.08
5.1.40.0020.0268.07
5.1.30.0050.0248.42
5.1.20.0030.0278.44
5.1.10.0020.0278.16
5.1.00.0030.0268.16
5.0.50.0040.0226.64
5.0.40.0030.0216.50
5.0.30.0040.0326.31
5.0.20.0060.0196.28
5.0.10.0040.0196.25
5.0.00.0030.0306.25
4.4.90.0020.0164.78
4.4.80.0030.0154.75
4.4.70.0020.0174.76
4.4.60.0030.0154.75
4.4.50.0000.0184.77
4.4.40.0010.0284.71
4.4.30.0020.0164.76
4.4.20.0030.0154.85
4.4.10.0040.0164.85
4.4.00.0020.0344.76
4.3.110.0020.0244.66
4.3.100.0060.0184.67
4.3.90.0040.0164.64
4.3.80.0040.0264.58
4.3.70.0040.0144.63
4.3.60.0030.0144.63
4.3.50.0020.0164.63
4.3.40.0080.0194.54
4.3.30.0010.0173.31
4.3.20.0010.0173.29
4.3.10.0020.0163.25
4.3.00.0070.02018.23

preferences:
42.54 ms | 401 KiB | 5 Q