3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 []= 'wello'; $var2 = 'woodbye wruel world'; $var3 = pack("C*", 0x77, 0x32 + 0x33, 0x6c, 0x6e-2, 0x6f); var_dump($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)
8.3.60.0060.00916.63
8.3.50.0140.01122.83
8.3.40.0090.00618.69
8.3.30.0120.00619.17
8.3.20.0080.00020.15
8.3.10.0000.00823.64
8.3.00.0080.00019.50
8.2.180.0100.01016.63
8.2.170.0070.00722.96
8.2.160.0070.00720.45
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00320.96
8.2.110.0070.00319.27
8.2.100.0040.00717.91
8.2.90.0000.00919.18
8.2.80.0030.00617.97
8.2.70.0000.00917.63
8.2.60.0050.00217.93
8.2.50.0030.00618.07
8.2.40.0040.00418.28
8.2.30.0040.00418.08
8.2.20.0020.00517.63
8.2.10.0070.00018.23
8.2.00.0040.00417.67
8.1.280.0110.00725.92
8.1.270.0080.00024.01
8.1.260.0000.00726.35
8.1.250.0060.00328.09
8.1.240.0030.00620.82
8.1.230.0110.00017.57
8.1.220.0080.00017.74
8.1.210.0080.00018.77
8.1.200.0090.00317.25
8.1.190.0050.00317.22
8.1.180.0060.00318.10
8.1.170.0030.00618.37
8.1.160.0000.00822.02
8.1.150.0000.00718.77
8.1.140.0000.00717.37
8.1.130.0030.00317.83
8.1.120.0030.00317.46
8.1.110.0060.00317.44
8.1.100.0050.00317.43
8.1.90.0050.00317.47
8.1.80.0030.00517.48
8.1.70.0040.00417.41
8.1.60.0060.00317.66
8.1.50.0080.00017.57
8.1.40.0080.00017.54
8.1.30.0000.00817.54
8.1.20.0070.00017.65
8.1.10.0030.00517.52
8.1.00.0000.00817.45
8.0.300.0080.00018.77
8.0.290.0030.00516.61
8.0.280.0000.00718.45
8.0.270.0020.00517.33
8.0.260.0000.00617.26
8.0.250.0030.00317.03
8.0.240.0040.00416.98
8.0.230.0040.00417.09
8.0.220.0000.00716.85
8.0.210.0060.00316.89
8.0.200.0000.00716.91
8.0.190.0000.00817.03
8.0.180.0000.00816.95
8.0.170.0000.00816.98
8.0.160.0000.00716.95
8.0.150.0020.00516.85
8.0.140.0000.00716.97
8.0.130.0000.00613.38
8.0.120.0030.00516.94
8.0.110.0000.00716.82
8.0.100.0070.00016.99
8.0.90.0040.00417.00
8.0.80.0130.00716.90
8.0.70.0030.00516.89
8.0.60.0040.00417.01
8.0.50.0080.00017.00
8.0.30.0130.00617.21
8.0.20.0140.00617.40
8.0.10.0040.00417.08
8.0.00.0110.00716.73
7.4.330.0000.00515.09
7.4.320.0000.00616.53
7.4.300.0060.00016.46
7.4.290.0000.00716.36
7.4.280.0000.00716.61
7.4.270.0080.00016.52
7.4.260.0050.00216.43
7.4.250.0080.00016.49
7.4.240.0040.00416.58
7.4.230.0050.00316.70
7.4.220.0090.00916.55
7.4.210.0030.01816.63
7.4.200.0000.00716.49
7.4.160.0140.00316.55
7.4.150.0080.01217.40
7.4.140.0100.00817.86
7.4.130.0110.00516.62
7.4.120.0080.00916.46
7.4.110.0100.00716.42
7.4.100.0130.00316.48
7.4.90.0110.01116.54
7.4.80.0100.00719.39
7.4.70.0030.01816.64
7.4.60.0060.01016.41
7.4.50.0000.00816.64
7.4.40.0040.01316.45
7.4.30.0090.01516.66
7.4.00.0040.01214.75
7.3.330.0070.00013.23
7.3.320.0000.00613.31
7.3.310.0040.00416.46
7.3.300.0030.00316.46
7.3.290.0100.00616.45
7.3.280.0070.01016.45
7.3.270.0060.01217.40
7.3.260.0060.01316.48
7.3.250.0090.01116.41
7.3.240.0090.00916.46
7.3.230.0070.01016.44
7.3.210.0100.01016.46
7.3.200.0060.01219.39
7.3.190.0040.01716.43
7.3.180.0120.00316.43
7.3.170.0160.00016.63
7.3.160.0090.00616.45
7.2.330.0130.00616.75
7.2.320.0060.01316.70
7.2.310.0030.01416.80
7.2.300.0150.00316.51
7.2.290.0080.00816.76
7.2.00.0080.00819.53
7.1.200.0040.01115.83
7.1.100.0160.00618.06
7.1.70.0000.00817.09
7.1.60.0140.01019.46
7.1.50.0130.00716.99
7.1.00.0000.07722.35
7.0.200.0030.00616.71
7.0.140.0030.07322.08
7.0.60.0000.04719.86
7.0.50.0100.08017.90
7.0.40.0100.07320.25
7.0.30.0270.05720.23
7.0.20.0270.06320.05
7.0.10.0130.08320.26
7.0.00.0070.05020.32
5.6.280.0070.07321.15
5.6.210.0070.07720.47
5.6.200.0100.06018.19
5.6.190.0070.05020.78
5.6.180.0270.03720.52
5.6.170.0030.05320.45
5.6.160.0070.08020.72
5.6.150.0070.08018.18
5.6.140.0000.06018.18
5.6.130.0000.04318.18
5.6.120.0070.04020.99
5.6.110.0170.07321.04
5.6.100.0100.07321.13
5.6.90.0100.05021.01
5.6.80.0070.05020.51
5.6.70.0170.03020.53
5.5.350.0100.05720.39
5.5.340.0130.06018.07
5.5.330.0130.08720.57
5.5.320.0000.04720.24
5.5.310.0330.07020.24
5.5.300.0100.07717.95
5.5.290.0000.04318.07
5.5.280.0030.07720.88
5.5.270.0100.07020.87
5.5.260.0030.05720.97
5.5.250.0030.08020.70
5.5.240.0170.08020.24
5.4.450.0170.04719.46
5.4.440.0200.04719.42
5.4.430.0030.05019.54
5.4.420.0170.03719.51
5.4.410.0200.03719.28
5.4.400.0070.04319.16
5.4.390.0370.03019.20
5.4.380.0300.05318.72
5.4.370.0330.06018.82
5.4.360.0300.06018.63
5.4.350.0470.06718.77
5.4.340.0300.05318.63
5.4.320.0050.03712.50
5.4.310.0070.03612.50
5.4.300.0040.03912.50
5.4.290.0020.04312.50
5.4.280.0030.03812.40
5.4.270.0060.03612.40
5.4.260.0070.03612.40
5.4.250.0040.04012.40
5.4.240.0050.03712.39
5.4.230.0070.03712.39
5.4.220.0060.03812.39
5.4.210.0060.03512.39
5.4.200.0040.03912.39
5.4.190.0050.04112.39
5.4.180.0060.03612.39
5.4.170.0040.03812.40
5.4.160.0090.03212.39
5.4.150.0040.03712.38
5.4.140.0080.03812.07
5.4.130.0060.03512.06
5.4.120.0060.03512.02
5.4.110.0060.03612.01
5.4.100.0090.03812.01
5.4.90.0070.04712.01
5.4.80.0040.03912.01
5.4.70.0080.03412.01
5.4.60.0090.04412.01
5.4.50.0130.04312.01
5.4.40.0100.03512.00
5.4.30.0040.04311.99
5.4.20.0130.03612.00
5.4.10.0060.03511.99
5.4.00.0060.04211.48
5.3.290.0080.05012.80
5.3.280.0050.03912.71
5.3.270.0060.03812.72
5.3.260.0050.04212.72
5.3.250.0050.04312.72
5.3.240.0060.03712.72
5.3.230.0070.03712.70
5.3.220.0060.03812.68
5.3.210.0090.03612.68
5.3.200.0080.03512.68
5.3.190.0030.05012.68
5.3.180.0050.04212.68
5.3.170.0050.03712.67
5.3.160.0090.03312.67
5.3.150.0040.04112.67
5.3.140.0070.03812.66
5.3.130.0070.04112.66
5.3.120.0080.03612.66
5.3.110.0100.04912.66
5.3.100.0070.03512.12
5.3.90.0050.03612.10
5.3.80.0070.03512.09
5.3.70.0020.04012.09
5.3.60.0070.03512.07
5.3.50.0080.03912.02
5.3.40.0110.03512.02
5.3.30.0080.03411.98
5.3.20.0070.03411.77
5.3.10.0080.03211.73
5.3.00.0040.03911.71
5.2.170.0050.0309.22
5.2.160.0090.0249.22
5.2.150.0040.0309.22
5.2.140.0030.0339.22
5.2.130.0050.0289.18
5.2.120.0050.0369.18
5.2.110.0030.0319.18
5.2.100.0060.0329.18
5.2.90.0060.0289.18
5.2.80.0030.0379.18
5.2.70.0040.0319.17
5.2.60.0090.0349.13
5.2.50.0060.0309.09
5.2.40.0080.0309.08
5.2.30.0030.0329.05
5.2.20.0040.0319.04
5.2.10.0010.0328.94
5.2.00.0040.0308.80
5.1.60.0040.0268.09
5.1.50.0050.0258.09
5.1.40.0050.0248.07
5.1.30.0040.0278.41
5.1.20.0040.0278.44
5.1.10.0070.0238.16
5.1.00.0070.0238.17
5.0.50.0040.0206.65
5.0.40.0030.0206.51
5.0.30.0040.0326.32
5.0.20.0030.0206.29
5.0.10.0060.0216.27
5.0.00.0030.0316.27
4.4.90.0020.0174.77
4.4.80.0030.0164.76
4.4.70.0020.0184.75
4.4.60.0030.0164.75
4.4.50.0030.0174.77
4.4.40.0020.0264.71
4.4.30.0010.0174.76
4.4.20.0040.0154.85
4.4.10.0010.0204.85
4.4.00.0060.0254.75
4.3.110.0020.0164.67
4.3.100.0020.0154.66
4.3.90.0040.0134.64
4.3.80.0040.0234.59
4.3.70.0030.0144.63
4.3.60.0030.0154.63
4.3.50.0050.0164.63
4.3.40.0030.0244.53
4.3.30.0020.0163.32
4.3.20.0030.0153.30
4.3.10.0030.0153.26
4.3.00.0030.01718.23

preferences:
45.33 ms | 401 KiB | 5 Q