3v4l.org

run code in 300+ PHP versions simultaneously
<?php $debug = 1; if (! $debug) { error_reporting(E_ERROR); } else { error_reporting(E_ALL); } $arr1 []= 'wello'; $var2 = 'woodbye wruel world'; $var3 = pack("n*", 0x77, 0x32 + 0x33, 0x6c, 0x6e-2, 0x6f); $var4 = pack('n*', 0x7765, 0x6c6c, 0x6f00); $var5 = pack('n*', 0x7765, 0x6c00, 0x6c6f); if ($debug) { echo "var3 = $var3\n"; var_dump($var4); if ($var4 == $arr1[0]) {echo "$var3 == $arr1[0]"; } if (! strcmp($var4, $arr1[0])) { echo "got a match with strcmp"; } } poor_mans_strcmp('a', 'z'); poor_mans_strcmp('q111f', 'fffff'); poor_mans_strcmp($arr1, $var2); poor_mans_strcmp($arr1[0], $var2); poor_mans_strcmp($var2, $var2); poor_mans_strcmp($arr1[0], $var3); poor_mans_strcmp($arr1[0], $var4); poor_mans_strcmp($arr1[0], $var5); echo "trying the binary safe node!\n"; poor_mans_strcmp($arr1[0], $var3, 1); poor_mans_strcmp($arr1[0], $var4, 1); poor_mans_strcmp($arr1[0], $var5, 1); function poor_mans_strcmp($str1, $str2, $binary_safe = 0) { global $debug; # use old shell programming trick $str3 = 'a' . $str1; $str4 = 'a' . $str2; if ($binary_safe) { # strip null bytes to make it binary safe! $str3 = str_replace(chr(0), '', $str3); $str4 = str_replace(chr(0), '', $str4); } if ($debug) {var_dump($str3, $str4);} $result = 0; if ($str3 < $str4) { echo "$str1 is LESSTHAN $str2\n"; $result = -1; } if ($str3 > $str4) { if ($result == -1) {echo "Serious error detected, keep on trucking!\n";} $result = 1; echo "$str1 is GREATERTHAN $str2\n"; } if ($result == 0) {echo "MATCH: $str1 with $str2\n";} 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)
8.3.60.0140.00416.88
8.3.50.0130.00522.91
8.3.40.0070.01418.85
8.3.30.0040.01119.04
8.3.20.0070.00020.30
8.3.10.0070.00323.39
8.3.00.0060.00319.51
8.2.180.0030.01216.75
8.2.170.0150.00022.96
8.2.160.0090.00920.53
8.2.150.0090.00624.18
8.2.140.0060.00924.66
8.2.130.0030.00526.16
8.2.120.0080.00021.16
8.2.110.0070.00422.14
8.2.100.0070.00418.16
8.2.90.0040.00419.36
8.2.80.0000.00917.97
8.2.70.0040.00417.63
8.2.60.0040.00417.93
8.2.50.0030.00618.07
8.2.40.0060.00318.34
8.2.30.0070.00018.06
8.2.20.0060.00317.67
8.2.10.0040.00418.09
8.2.00.0070.00017.84
8.1.280.0210.00025.92
8.1.270.0090.00023.70
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0030.00622.67
8.1.230.0080.00319.48
8.1.220.0050.00317.75
8.1.210.0040.00418.77
8.1.200.0030.00617.47
8.1.190.0040.00417.38
8.1.180.0030.00618.10
8.1.170.0030.00518.77
8.1.160.0000.00722.11
8.1.150.0040.00419.03
8.1.140.0050.00217.52
8.1.130.0070.00017.85
8.1.120.0070.00017.39
8.1.110.0070.00017.47
8.1.100.0040.00417.43
8.1.90.0000.00717.36
8.1.80.0040.00417.50
8.1.70.0030.00317.49
8.1.60.0120.00017.52
8.1.50.0030.00617.56
8.1.40.0040.00417.47
8.1.30.0030.00617.67
8.1.20.0090.00017.72
8.1.10.0040.00417.53
8.1.00.0020.00517.42
8.0.300.0080.00018.77
8.0.290.0040.00416.88
8.0.280.0050.00318.50
8.0.270.0000.00717.32
8.0.260.0040.00417.32
8.0.250.0030.00317.12
8.0.240.0030.00317.10
8.0.230.0030.00317.05
8.0.220.0030.00317.00
8.0.210.0030.00316.92
8.0.200.0000.00717.12
8.0.190.0050.00217.05
8.0.180.0000.00917.04
8.0.170.0040.00416.90
8.0.160.0000.00716.89
8.0.150.0050.00316.99
8.0.140.0040.00416.97
8.0.130.0070.00013.40
8.0.120.0080.00017.03
8.0.110.0050.00317.07
8.0.100.0040.00417.02
8.0.90.0000.00717.02
8.0.80.0120.00616.92
8.0.70.0040.00417.02
8.0.60.0050.00316.89
8.0.50.0040.00416.96
8.0.30.0110.01117.02
8.0.20.0090.01417.40
8.0.10.0040.00417.21
8.0.00.0090.01316.83
7.4.330.0000.00515.07
7.4.320.0030.00316.54
7.4.300.0000.00616.57
7.4.290.0070.00016.54
7.4.280.0000.00716.54
7.4.270.0030.00316.58
7.4.260.0030.00316.65
7.4.250.0060.00316.55
7.4.240.0040.00416.69
7.4.230.0030.00316.40
7.4.220.0040.01416.60
7.4.210.0070.00716.55
7.4.200.0020.00516.75
7.4.160.0130.00816.48
7.4.150.0060.01217.40
7.4.140.0080.00917.86
7.4.130.0090.00916.51
7.4.120.0110.00916.55
7.4.110.0000.01816.41
7.4.100.0110.00716.61
7.4.90.0120.00616.36
7.4.80.0070.01016.68
7.4.70.0070.01016.57
7.4.60.0110.00916.53
7.4.50.0060.01116.61
7.4.40.0090.00916.25
7.4.30.0090.01216.14
7.4.20.0040.01616.20
7.4.10.0170.01016.33
7.4.00.0080.00816.07
7.3.330.0000.00713.45
7.3.320.0000.00513.50
7.3.310.0050.00216.36
7.3.300.0070.00016.42
7.3.290.0070.01316.45
7.3.280.0060.00916.44
7.3.270.0040.01317.40
7.3.260.0120.01216.40
7.3.250.0120.00916.42
7.3.240.0100.00916.42
7.3.230.0100.00716.41
7.3.210.0130.00716.43
7.3.200.0120.00619.39
7.3.190.0120.00616.71
7.3.180.0120.00516.22
7.3.170.0100.00716.18
7.3.160.0090.00916.24
7.3.150.0130.00916.33
7.3.140.0130.00916.27
7.3.130.0090.00916.29
7.3.120.0070.01116.38
7.3.110.0160.00316.32
7.3.100.0100.01016.38
7.3.90.0000.01916.23
7.3.80.0080.01216.29
7.3.70.0110.00816.34
7.3.60.0130.00616.41
7.3.50.0110.00816.33
7.3.40.0180.00016.26
7.3.30.0160.00316.30
7.3.20.0130.00916.25
7.3.10.0170.00316.38
7.3.00.0110.01016.44
7.2.330.0150.00916.80
7.2.320.0030.01416.48
7.2.310.0190.00016.58
7.2.300.0050.01416.47
7.2.290.0060.01316.52
7.2.280.0150.00616.57
7.2.270.0030.01716.29
7.2.260.0090.01016.30
7.2.250.0080.01116.35
7.2.240.0090.01116.38
7.2.230.0180.00316.46
7.2.220.0100.00816.55
7.2.210.0110.00816.46
7.2.200.0210.00416.41
7.2.190.0130.00616.49
7.2.180.0130.00816.43
7.2.170.0090.00916.43
7.2.160.0040.01516.30
7.2.150.0120.01516.50
7.2.140.0150.00816.47
7.2.130.0080.01116.63
7.2.120.0080.01216.69
7.2.110.0050.01316.62
7.2.100.0140.00516.69
7.2.90.0110.00416.60
7.2.80.0150.00316.74
7.2.70.0170.00916.59
7.2.60.0060.01116.69
7.2.50.0030.01316.70
7.2.40.0130.00616.80
7.2.30.0120.01116.78
7.2.20.0060.01116.73
7.2.10.0110.01116.67
7.2.00.0100.00816.69
7.1.330.0120.00915.56
7.1.320.0220.00315.31
7.1.310.0060.00915.52
7.1.300.0060.01215.46
7.1.290.0100.00715.30
7.1.280.0130.01015.29
7.1.270.0130.00615.54
7.1.260.0120.00615.45
7.1.250.0110.00815.59
7.1.240.0060.01115.34
7.1.230.0120.00815.18
7.1.220.0090.00915.39
7.1.210.0170.00315.33
7.1.200.0120.00615.28
7.1.190.0150.00415.37
7.1.180.0110.00615.37
7.1.170.0120.00915.46
7.1.160.0160.00315.31
7.1.150.0150.00415.25
7.1.140.0200.00015.35
7.1.130.0050.01415.38
7.1.120.0110.00715.45
7.1.110.0150.00915.48
7.1.100.0150.00515.33
7.1.90.0100.00815.18
7.1.80.0090.01215.39
7.1.70.0100.00916.21
7.1.60.0040.01216.23
7.1.50.0120.01416.19
7.1.40.0030.01615.46
7.1.30.0150.01115.45
7.1.20.0150.00415.52
7.1.10.0100.01415.38
7.1.00.0110.04818.82
7.0.330.0320.00314.72
7.0.320.0100.00615.04
7.0.310.0030.02015.06
7.0.300.0070.01014.94
7.0.290.0060.01214.92
7.0.280.0030.01514.98
7.0.270.0040.01515.04
7.0.260.0120.00615.08
7.0.250.0110.00715.00
7.0.240.0030.01314.92
7.0.230.0120.00615.00
7.0.220.0120.00915.00
7.0.210.0130.00615.14
7.0.200.0130.00815.97
7.0.190.0220.00615.00
7.0.180.0190.00414.86
7.0.170.0070.01514.96
7.0.160.0120.00815.13
7.0.150.0080.01414.86
7.0.140.0140.04118.54
7.0.130.0000.02214.99
7.0.120.0110.00915.04
7.0.110.0160.00614.95
7.0.100.0180.01115.10
7.0.90.0110.00815.06
7.0.80.0090.00914.98
7.0.70.0290.00815.16
7.0.60.0080.05217.55
7.0.50.0020.04116.38
7.0.40.0150.04117.60
7.0.30.0340.03417.55
7.0.20.0180.03117.46
7.0.10.0070.03117.54
7.0.00.0110.04517.54
5.6.400.0090.00915.92
5.6.390.0070.01115.61
5.6.380.0080.01215.61
5.6.370.0110.01115.80
5.6.360.0090.01215.59
5.6.350.0090.01216.06
5.6.340.0130.00615.70
5.6.330.0060.01615.67
5.6.320.0030.01715.62
5.6.310.0100.01415.99
5.6.300.0180.00515.72
5.6.290.0100.01016.18
5.6.280.0050.04518.27
5.6.270.0110.01715.73
5.6.260.0190.00515.86
5.6.250.0120.01515.59
5.6.240.0210.00615.61
5.6.230.0050.01515.84
5.6.220.0100.01415.84
5.6.210.0070.04418.15
5.6.200.0160.04617.01
5.6.190.0090.05118.06
5.6.180.0240.04218.04
5.6.170.0170.02518.11
5.6.160.0090.04218.17
5.6.150.0050.04116.90
5.6.140.0160.03716.99
5.6.130.0120.03216.98
5.6.120.0080.02918.55
5.6.110.0130.02418.27
5.6.100.0140.04718.33
5.6.90.0130.04018.53
5.6.80.0050.02918.04
5.6.70.2330.02618.08
5.6.60.0090.01215.72
5.6.50.0110.01115.73
5.6.40.0180.00415.83
5.6.30.0180.00315.85
5.6.20.0180.00615.72
5.6.10.0120.00915.57
5.6.00.0120.00915.66
5.5.380.0130.01315.55
5.5.370.0160.00715.68
5.5.360.0070.01915.58
5.5.350.0230.03718.03
5.5.340.0120.04716.78
5.5.330.0110.04817.93
5.5.320.0080.05017.96
5.5.310.0160.03618.09
5.5.300.0120.02416.91
5.5.290.0060.04616.90
5.5.280.0070.03818.33
5.5.270.0080.04218.24
5.5.260.0100.03518.26
5.5.250.0130.04017.97
5.5.240.0220.03717.98
5.5.230.0070.01815.90
5.5.220.0110.01115.77
5.5.210.0140.00715.59
5.5.200.0040.01615.72
5.5.190.0070.01415.57
5.5.180.0070.01615.51
5.5.170.0160.00415.57
5.5.160.0130.01315.58
5.5.150.0120.00915.66
5.5.140.0120.00915.63
5.5.130.0150.00815.59
5.5.120.0210.00315.43
5.5.110.0110.01615.60
5.5.100.0120.00915.65
5.5.90.0000.02115.80
5.5.80.0090.01715.54
5.5.70.0110.01115.76
5.5.60.0080.01215.59
5.5.50.0030.01715.78
5.5.40.0100.01715.81
5.5.30.0180.00915.28
5.5.20.0130.00915.88
5.5.10.0200.00815.70
5.5.00.0090.01415.51
5.4.450.0190.02716.11
5.4.440.0140.02716.01
5.4.430.0110.02715.94
5.4.420.0180.02815.89
5.4.410.0240.02315.98
5.4.400.0140.02115.90
5.4.390.0170.02615.92
5.4.380.0210.02915.53
5.4.370.0230.03215.52
5.4.360.0340.02815.65
5.4.350.0130.03915.52
5.4.340.0210.03015.70
5.4.330.0110.00512.37
5.4.320.0100.02412.42
5.4.310.0060.03112.52
5.4.300.0090.02812.62
5.4.290.0100.02112.42
5.4.280.0070.02412.50
5.4.270.0110.02612.38
5.4.260.0100.02812.43
5.4.250.0070.02912.42
5.4.240.0100.02512.49
5.4.230.0080.03212.42
5.4.220.0100.02412.59
5.4.210.0100.01912.53
5.4.200.0070.02412.39
5.4.190.0080.02312.41
5.4.180.0090.02412.53
5.4.170.0070.02312.48
5.4.160.0080.02112.47
5.4.150.0060.02512.51
5.4.140.0080.02512.30
5.4.130.0080.02212.28
5.4.120.0060.02212.41
5.4.110.0080.02112.41
5.4.100.0080.02312.23
5.4.90.0070.03312.29
5.4.80.0060.03112.21
5.4.70.0090.02612.31
5.4.60.0050.03012.33
5.4.50.0100.02912.17
5.4.40.0090.03112.27
5.4.30.0090.02512.31
5.4.20.0050.02312.31
5.4.10.0080.02112.32
5.4.00.0080.02112.02
5.3.290.0070.02513.05
5.3.280.0060.02512.93
5.3.270.0080.02412.91
5.3.260.0040.02612.96
5.3.250.0090.02212.91
5.3.240.0090.02712.82
5.3.230.0070.02912.88
5.3.220.0120.03212.84
5.3.210.0110.02912.84
5.3.200.0070.03112.92
5.3.190.0080.02912.88
5.3.180.0070.03012.98
5.3.170.0080.02113.06
5.3.160.0060.02213.07
5.3.150.0090.02112.99
5.3.140.0060.02312.88
5.3.130.0070.02412.91
5.3.120.0040.03012.89
5.3.110.0090.02213.04
5.3.100.0040.02512.69
5.3.90.0070.02212.63
5.3.80.0040.02312.61
5.3.70.0080.02012.61
5.3.60.0080.02112.73
5.3.50.0050.02412.55
5.3.40.0070.02112.66
5.3.30.0060.02312.55
5.3.20.0050.02412.40
5.3.10.0080.02112.38
5.3.00.0050.02412.30
5.2.170.0060.01910.66
5.2.160.0030.02110.68
5.2.150.0060.01810.73
5.2.140.0030.02210.65
5.2.130.0050.02010.59
5.2.120.0050.01910.60
5.2.110.0050.01910.64
5.2.100.0080.01810.68
5.2.90.0040.02010.64
5.2.80.0070.02310.55
5.2.70.0070.02310.61
5.2.60.0100.02210.56
5.2.50.0030.02610.49
5.2.40.0080.02210.54
5.2.30.0060.02410.49
5.2.20.0020.03010.47
5.2.10.0070.01710.41
5.2.00.0060.02310.24
5.1.60.0050.0149.69
5.1.50.0050.0159.59
5.1.40.0040.0169.59
5.1.30.0050.0179.81
5.1.20.0050.0169.79
5.1.10.0030.0179.63
5.1.00.0090.0129.59
5.0.50.0050.0138.41
5.0.40.0060.0168.37
5.0.30.0090.0148.24
5.0.20.0050.0128.23
5.0.10.0020.0188.22
5.0.00.0020.0208.22
4.4.90.0030.0107.46
4.4.80.0040.0087.45
4.4.70.0050.0077.45
4.4.60.0010.0117.45
4.4.50.0020.0097.46
4.4.40.0040.0147.42
4.4.30.0030.0097.45
4.4.20.0030.0117.49
4.4.10.0060.0097.50
4.4.00.0030.0187.45
4.3.110.0060.0117.40
4.3.100.0050.0107.40
4.3.90.0010.0127.39
4.3.80.0020.0157.37
4.3.70.0030.0127.38
4.3.60.0060.0077.38
4.3.50.0030.0107.38
4.3.40.0010.0157.34
4.3.30.0030.0096.74
4.3.20.0030.0096.73
4.3.10.0020.0116.71
4.3.00.0000.01314.19

preferences:
70.25 ms | 401 KiB | 5 Q