3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 []= 'wello'; $var2 = 'woodbye wruel world'; $var3 = pack("n*", 0x77, 0x32 + 0x33, 0x6c, 0x6e-2, 0x6f); echo "var3 = $var3"; var_dump($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)
8.3.60.0110.00316.75
8.3.50.0110.01122.89
8.3.40.0070.01118.59
8.3.30.0070.00719.08
8.3.20.0040.00420.20
8.3.10.0040.00423.58
8.3.00.0090.00019.50
8.2.180.0070.00718.29
8.2.170.0110.00722.96
8.2.160.0130.00320.39
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00721.10
8.2.110.0040.00420.47
8.2.100.0110.00018.22
8.2.90.0040.00419.17
8.2.80.0040.00417.97
8.2.70.0000.00817.61
8.2.60.0080.00018.04
8.2.50.0040.00418.07
8.2.40.0080.00018.16
8.2.30.0040.00418.19
8.2.20.0040.00417.64
8.2.10.0000.00818.20
8.2.00.0000.00717.75
8.1.280.0130.00325.92
8.1.270.0060.00323.84
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00622.14
8.1.230.0070.00419.15
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0060.00617.22
8.1.190.0060.00317.22
8.1.180.0030.00518.10
8.1.170.0060.00318.69
8.1.160.0000.00722.04
8.1.150.0000.00718.91
8.1.140.0000.00717.34
8.1.130.0000.00817.72
8.1.120.0050.00217.43
8.1.110.0080.00017.49
8.1.100.0000.00717.50
8.1.90.0030.00317.40
8.1.80.0040.00317.47
8.1.70.0030.00317.39
8.1.60.0060.00317.63
8.1.50.0030.00517.54
8.1.40.0040.00417.42
8.1.30.0000.00817.64
8.1.20.0000.00717.69
8.1.10.0060.00317.61
8.1.00.0030.00517.51
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0000.00718.48
8.0.270.0040.00417.28
8.0.260.0030.00317.16
8.0.250.0030.00317.04
8.0.240.0040.00417.05
8.0.230.0030.00317.05
8.0.220.0000.00716.99
8.0.210.0000.00717.00
8.0.200.0000.00816.95
8.0.190.0060.00317.00
8.0.180.0040.00417.02
8.0.170.0080.00016.93
8.0.160.0070.00016.98
8.0.150.0030.00417.00
8.0.140.0040.00416.91
8.0.130.0000.00513.36
8.0.120.0040.00416.98
8.0.110.0050.00216.98
8.0.100.0000.00817.03
8.0.90.0000.00717.02
8.0.80.0000.01516.92
8.0.70.0000.00716.82
8.0.60.0040.00416.98
8.0.50.0040.00416.85
8.0.30.0110.01517.16
8.0.20.0150.00617.40
8.0.10.0040.00417.09
8.0.00.0160.00516.77
7.4.330.0020.00215.00
7.4.320.0030.00316.62
7.4.300.0030.00316.64
7.4.290.0000.00716.63
7.4.280.0000.00816.50
7.4.270.0070.00016.64
7.4.260.0070.00016.60
7.4.250.0040.00416.48
7.4.240.0030.00516.50
7.4.230.0040.00416.65
7.4.220.0110.00716.43
7.4.210.0130.00016.54
7.4.200.0030.00316.51
7.4.160.0030.01416.46
7.4.150.0080.01217.40
7.4.140.0130.00817.86
7.4.130.0120.00816.54
7.4.120.0100.00716.55
7.4.110.0030.01416.50
7.4.100.0030.01416.56
7.4.90.0030.01716.50
7.4.80.0060.01219.39
7.4.70.0130.00316.49
7.4.60.0060.00916.61
7.4.50.0040.00016.52
7.4.40.0140.00316.56
7.4.30.0100.00716.66
7.4.10.0040.01114.94
7.4.00.0080.00914.99
7.3.330.0070.00013.29
7.3.320.0030.00313.45
7.3.310.0070.00016.32
7.3.300.0000.00716.46
7.3.290.0090.00616.43
7.3.280.0110.00716.47
7.3.270.0100.00717.40
7.3.260.0030.01416.36
7.3.250.0110.00716.62
7.3.240.0060.01216.44
7.3.230.0130.00316.68
7.3.210.0120.00616.48
7.3.200.0060.01219.39
7.3.190.0160.00616.69
7.3.180.0070.01416.63
7.3.170.0160.00616.39
7.3.160.0040.01216.43
7.3.130.0030.01714.73
7.3.120.0050.01214.89
7.3.110.0100.00814.92
7.3.100.0120.00215.04
7.3.90.0090.00615.04
7.3.80.0060.00815.07
7.3.70.0110.00314.79
7.3.60.0060.01114.88
7.3.50.0070.01015.03
7.3.40.0040.00614.80
7.3.30.0060.00914.83
7.3.20.0080.00716.77
7.3.10.0060.00716.51
7.3.00.0040.00616.70
7.2.330.0120.01216.43
7.2.320.0130.00316.80
7.2.310.0130.01016.64
7.2.300.0000.01716.64
7.2.290.0120.00616.76
7.2.260.0060.00914.97
7.2.250.0100.00815.11
7.2.240.0060.01215.08
7.2.230.0080.00815.09
7.2.220.0030.01015.03
7.2.210.0030.01315.19
7.2.200.0040.01315.13
7.2.190.0060.01315.11
7.2.180.0060.01115.08
7.2.170.0050.00915.13
7.2.160.0070.00315.04
7.2.150.0070.01017.04
7.2.140.0030.00716.94
7.2.130.0080.00716.94
7.2.120.0090.00716.98
7.2.110.0080.00516.66
7.2.100.0090.00316.77
7.2.90.0080.00817.10
7.2.80.0050.01017.03
7.2.70.0090.00616.78
7.2.60.0070.00716.90
7.2.50.0030.01016.97
7.2.40.0050.00816.97
7.2.30.0120.00416.78
7.2.20.0100.00316.83
7.2.10.0000.01716.93
7.2.00.0030.00917.02
7.1.330.0060.00815.80
7.1.320.0030.00815.97
7.1.310.0100.00516.01
7.1.300.0070.01015.76
7.1.290.0060.00515.79
7.1.280.0070.00715.69
7.1.270.0060.00815.70
7.1.260.0070.00515.89
7.1.250.0070.00515.77
7.1.240.0060.01216.02
7.1.230.0030.00715.96
7.1.220.0070.00715.91
7.1.210.0000.01515.61
7.1.200.0030.01515.55
7.1.190.0050.00515.63
7.1.180.0070.00715.89
7.1.170.0040.00715.99
7.1.160.0090.00615.80
7.1.150.0030.01315.88
7.1.140.0070.01015.86
7.1.130.0000.00915.79
7.1.120.0030.01015.58
7.1.110.0090.00615.83
7.1.100.0110.00616.79
7.1.90.0000.01315.72
7.1.80.0060.00315.91
7.1.70.0050.00516.69
7.1.60.0090.00617.68
7.1.50.0050.00516.38
7.1.40.0060.00915.69
7.1.30.0060.00315.86
7.1.20.0000.01115.87
7.1.10.0000.01315.94
7.1.00.0020.04219.20
7.0.330.0070.00415.53
7.0.320.0060.00615.56
7.0.310.0070.01015.45
7.0.300.0000.01315.45
7.0.290.0000.01315.44
7.0.280.0120.00315.32
7.0.270.0060.00315.47
7.0.260.0080.00415.36
7.0.250.0070.00715.30
7.0.240.0070.00415.59
7.0.230.0100.00315.56
7.0.220.0040.00815.48
7.0.210.0000.01215.32
7.0.200.0040.00716.06
7.0.190.0000.00915.42
7.0.180.0160.00015.38
7.0.170.0100.00715.41
7.0.160.0080.00615.20
7.0.150.0090.00315.54
7.0.140.0020.04518.70
7.0.130.0060.00815.57
7.0.120.0000.01515.39
7.0.110.0040.00715.50
7.0.100.0030.00715.19
7.0.90.0070.00715.42
7.0.80.0000.00815.18
7.0.70.0040.00415.47
7.0.60.0090.04117.71
7.0.50.0080.02316.83
7.0.40.0080.03116.69
7.0.30.0150.04516.99
7.0.20.0170.04316.87
7.0.10.0080.04416.78
7.0.00.0070.04516.87
5.6.400.0040.00814.23
5.6.390.0100.01014.45
5.6.380.0040.00414.24
5.6.370.0040.00814.60
5.6.360.0060.00614.66
5.6.350.0030.00614.69
5.6.340.0090.00614.78
5.6.330.0080.00314.61
5.6.320.0070.00714.29
5.6.310.0070.00714.73
5.6.300.0090.00614.65
5.6.290.0070.01014.35
5.6.280.0020.04417.69
5.6.270.0060.01014.28
5.6.260.0080.00614.43
5.6.250.0120.00014.51
5.6.240.0080.00514.28
5.6.230.0100.00614.46
5.6.220.0030.01314.21
5.6.210.0120.02517.54
5.6.200.0060.04116.39
5.6.190.0070.04817.57
5.6.180.0130.04117.58
5.6.170.0150.02417.62
5.6.160.0070.02717.54
5.6.150.0050.02716.37
5.6.140.0100.02716.14
5.6.130.0100.04216.30
5.6.120.0070.02417.68
5.6.110.0060.02517.82
5.6.100.0110.02917.60
5.6.90.0050.02817.68
5.6.80.0050.02517.57
5.6.70.0880.02117.47
5.6.60.0000.01314.27
5.6.50.0060.00914.19
5.6.40.0060.00614.32
5.6.30.0070.00714.22
5.6.20.0030.01014.64
5.6.10.0040.01114.17
5.6.00.0060.00914.33
5.5.380.0090.00014.63
5.5.370.0090.00914.13
5.5.360.0100.00714.49
5.5.350.0060.02617.38
5.5.340.0050.04716.18
5.5.330.0050.02817.47
5.5.320.0060.04617.33
5.5.310.0120.02917.28
5.5.300.0050.02416.43
5.5.290.0050.04616.28
5.5.280.0050.02617.51
5.5.270.0170.03717.70
5.5.260.0060.04717.64
5.5.250.0060.04517.61
5.5.240.0070.04917.07
5.5.230.0000.01214.39
5.5.220.0030.00614.20
5.5.210.0030.00714.05
5.5.200.0080.00414.32
5.5.190.0000.01214.20
5.5.180.0040.00714.26
5.5.170.0030.01014.32
5.5.160.0030.01014.25
5.5.150.0000.01314.19
5.5.140.0000.01414.61
5.5.130.0000.01314.56
5.5.120.0100.00314.38
5.5.110.0160.00314.47
5.5.100.0030.00614.38
5.5.90.0000.01314.58
5.5.80.0030.00614.11
5.5.70.0030.01013.89
5.5.60.0070.00314.61
5.5.50.0030.00914.59
5.5.40.0090.00614.14
5.5.30.0000.01714.22
5.5.20.0060.01014.36
5.5.10.0030.01014.50
5.5.00.0030.01014.14
5.4.450.0130.02215.47
5.4.440.0120.02315.41
5.4.430.0080.02515.31
5.4.420.0020.02615.25
5.4.410.0120.02115.20
5.4.400.0070.02015.00
5.4.390.0030.02515.13
5.4.380.0220.03514.66
5.4.370.0170.03514.98
5.4.360.0130.03215.10
5.4.350.0250.03114.82
5.4.340.0220.02515.13
5.4.330.0030.00711.16
5.4.320.0040.02612.00
5.4.310.0090.02411.74
5.4.300.0030.02211.99
5.4.290.0090.02011.76
5.4.280.0050.02211.78
5.4.270.0050.02111.70
5.4.260.0040.02311.71
5.4.250.0060.02111.67
5.4.240.0040.02011.80
5.4.230.0070.01811.62
5.4.220.0050.02011.72
5.4.210.0050.02311.78
5.4.200.0090.02211.89
5.4.190.0090.02011.72
5.4.180.0080.02311.73
5.4.170.0070.02911.66
5.4.160.0040.02811.78
5.4.150.0020.02411.88
5.4.140.0070.02211.62
5.4.130.0050.02011.54
5.4.120.0060.02211.49
5.4.110.0100.02211.62
5.4.100.0050.02311.54
5.4.90.0060.02311.56
5.4.80.0020.02411.65
5.4.70.0020.02211.62
5.4.60.0020.02211.67
5.4.50.0030.02311.60
5.4.40.0040.02311.58
5.4.30.0080.01711.60
5.4.20.0060.01911.61
5.4.10.0060.01911.52
5.4.00.0070.01911.36
5.3.290.0050.04412.80
5.3.280.0080.03712.71
5.3.270.0060.04012.73
5.3.260.0050.03912.72
5.3.250.0050.03912.72
5.3.240.0050.03812.72
5.3.230.0050.04012.70
5.3.220.0180.08212.68
5.3.210.0090.04412.68
5.3.200.0110.03212.68
5.3.190.0060.03912.68
5.3.180.0010.04512.67
5.3.170.0040.04112.66
5.3.160.0100.03512.67
5.3.150.0060.03712.68
5.3.140.0040.04112.66
5.3.130.0070.03712.65
5.3.120.0070.04012.66
5.3.110.0050.04012.66
5.3.100.0030.03912.12
5.3.90.0050.03712.10
5.3.80.0070.03512.09
5.3.70.0070.03512.09
5.3.60.0080.03512.08
5.3.50.0070.03512.02
5.3.40.0040.03812.03
5.3.30.0050.03611.98
5.3.20.0070.03311.77
5.3.10.0060.03311.73
5.3.00.0070.03811.71
5.2.170.0050.0339.22
5.2.160.0070.0269.22
5.2.150.0050.0299.22
5.2.140.0040.0309.21
5.2.130.0040.0349.18
5.2.120.0080.0359.18
5.2.110.0090.0259.18
5.2.100.0050.0319.18
5.2.90.0050.0289.18
5.2.80.0020.0329.17
5.2.70.0050.0299.17
5.2.60.0050.0299.13
5.2.50.0060.0279.10
5.2.40.0030.0309.07
5.2.30.0030.0309.05
5.2.20.0060.0289.04
5.2.10.0040.0288.94
5.2.00.0060.0278.81
5.1.60.0060.0228.09
5.1.50.0040.0248.09
5.1.40.0050.0238.07
5.1.30.0030.0278.42
5.1.20.0030.0278.44
5.1.10.0040.0268.16
5.1.00.0050.0248.16
5.0.50.0050.0196.65
5.0.40.0050.0176.51
5.0.30.0040.0306.32
5.0.20.0030.0206.29
5.0.10.0020.0216.27
5.0.00.0040.0306.26
4.4.90.0010.0174.78
4.4.80.0030.0144.75
4.4.70.0010.0174.76
4.4.60.0020.0164.75
4.4.50.0040.0144.77
4.4.40.0040.0244.71
4.4.30.0020.0164.76
4.4.20.0030.0154.85
4.4.10.0050.0184.85
4.4.00.0030.0254.76
4.3.110.0010.0184.67
4.3.100.0030.0154.67
4.3.90.0010.0164.63
4.3.80.0030.0244.59
4.3.70.0010.0164.63
4.3.60.0010.0164.63
4.3.50.0020.0164.63
4.3.40.0000.0274.54
4.3.30.0010.0163.32
4.3.20.0010.0173.30
4.3.10.0020.0153.26
4.3.00.0030.01718.23

preferences:
38.75 ms | 401 KiB | 5 Q