3v4l.org

run code in 300+ PHP versions simultaneously
<?php $debug = 0; 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)
8.3.70.0090.00616.88
8.3.60.0130.00316.88
8.3.50.0130.00522.83
8.3.40.0120.00319.02
8.3.30.0120.00819.21
8.3.20.0080.00020.35
8.3.10.0050.00223.65
8.3.00.0000.00819.38
8.2.180.0090.00616.71
8.2.170.0040.01122.96
8.2.160.0150.00820.35
8.2.150.0150.00024.18
8.2.140.0090.00624.66
8.2.130.0040.00426.16
8.2.120.0040.00421.00
8.2.110.0100.00022.27
8.2.100.0040.00718.22
8.2.90.0080.00019.32
8.2.80.0080.00017.97
8.2.70.0000.00817.59
8.2.60.0040.00418.05
8.2.50.0030.00618.07
8.2.40.0040.00418.22
8.2.30.0000.00818.18
8.2.20.0000.00817.79
8.2.10.0040.00418.25
8.2.00.0040.00417.71
8.1.280.0090.00625.92
8.1.270.0080.00823.87
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00322.75
8.1.230.0040.00819.61
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0070.00317.38
8.1.190.0050.00317.35
8.1.180.0000.00818.10
8.1.170.0000.00818.56
8.1.160.0040.00422.13
8.1.150.0040.00418.91
8.1.140.0030.00617.54
8.1.130.0030.00317.93
8.1.120.0000.00717.43
8.1.110.0040.00417.41
8.1.100.0040.00417.54
8.1.90.0040.00417.43
8.1.80.0050.00217.50
8.1.70.0000.00817.48
8.1.60.0100.00017.57
8.1.50.0050.00317.56
8.1.40.0030.00617.56
8.1.30.0000.00917.55
8.1.20.0040.00417.68
8.1.10.0070.00017.61
8.1.00.0000.00817.56
8.0.300.0080.00018.77
8.0.290.0080.00017.00
8.0.280.0000.00818.50
8.0.270.0000.00817.33
8.0.260.0000.00817.36
8.0.250.0040.00417.12
8.0.240.0030.00316.98
8.0.230.0040.00417.06
8.0.220.0030.00516.98
8.0.210.0040.00416.97
8.0.200.0000.00717.09
8.0.190.0000.00717.04
8.0.180.0050.00317.05
8.0.170.0000.00716.95
8.0.160.0040.00416.92
8.0.150.0070.00017.00
8.0.140.0040.00416.97
8.0.130.0050.00313.46
8.0.120.0050.00316.87
8.0.110.0040.00416.96
8.0.100.0000.00717.05
8.0.90.0040.00416.89
8.0.80.0030.01317.02
8.0.70.0000.00716.99
8.0.60.0040.00416.93
8.0.50.0000.00816.90
8.0.30.0140.00917.01
8.0.20.0120.01117.40
8.0.10.0000.00717.13
8.0.00.0070.01316.83
7.4.330.0030.00315.00
7.4.320.0060.00016.57
7.4.300.0030.00316.48
7.4.290.0000.00716.57
7.4.280.0020.00516.45
7.4.270.0040.00416.65
7.4.260.0030.00316.64
7.4.250.0000.00716.61
7.4.240.0000.00916.71
7.4.230.0070.00016.60
7.4.220.0090.00916.66
7.4.210.0060.00916.43
7.4.200.0000.00716.59
7.4.160.0040.01616.49
7.4.150.0090.00917.40
7.4.140.0100.00717.86
7.4.130.0130.00516.60
7.4.120.0090.00816.62
7.4.110.0040.01416.70
7.4.100.0040.01316.68
7.4.90.0140.01116.68
7.4.80.0130.01016.61
7.4.70.0040.01316.57
7.4.60.0090.00716.46
7.4.50.0090.00716.54
7.4.40.0030.01216.34
7.4.30.0170.00016.29
7.4.20.0140.00316.34
7.4.10.0070.01016.42
7.4.00.0080.00616.06
7.3.330.0000.00713.24
7.3.320.0030.00313.48
7.3.310.0070.00016.48
7.3.300.0000.00816.33
7.3.290.0090.01216.48
7.3.280.0040.01216.41
7.3.270.0120.00817.40
7.3.260.0140.01016.49
7.3.250.0080.01316.62
7.3.240.0030.01416.52
7.3.230.0110.00816.53
7.3.210.0160.00816.44
7.3.200.0090.00919.39
7.3.190.0080.00816.59
7.3.180.0030.01316.34
7.3.170.0100.01016.29
7.3.160.0080.01116.30
7.3.150.0080.00916.34
7.3.140.0100.00716.30
7.3.130.0060.00916.16
7.3.120.0060.01116.24
7.3.110.0070.01116.37
7.3.100.0080.00816.40
7.3.90.0040.01416.26
7.3.80.0160.00716.36
7.3.70.0120.00616.12
7.3.60.0060.00916.45
7.3.50.0060.01216.37
7.3.40.0120.00416.23
7.3.30.0100.01116.23
7.3.20.0090.00916.36
7.3.10.0030.01416.22
7.3.00.0060.01116.40
7.2.330.0030.01416.93
7.2.320.0070.01416.89
7.2.310.0120.00616.70
7.2.300.0160.00316.63
7.2.290.0080.00816.54
7.2.280.0090.00916.32
7.2.270.0040.01416.52
7.2.260.0090.01516.68
7.2.250.0120.00616.44
7.2.240.0130.00416.62
7.2.230.0120.00616.54
7.2.220.0150.00416.58
7.2.210.0070.01116.36
7.2.200.0170.00016.29
7.2.190.0120.00616.41
7.2.180.0080.00816.45
7.2.170.0090.00916.50
7.2.160.0140.00716.44
7.2.150.0090.00916.50
7.2.140.0030.01516.51
7.2.130.0110.00816.43
7.2.120.0140.00616.62
7.2.110.0140.00416.53
7.2.100.0060.01216.46
7.2.90.0160.00316.67
7.2.80.0110.00716.45
7.2.70.0030.02116.68
7.2.60.0180.00616.62
7.2.50.0140.00516.50
7.2.40.0060.01316.61
7.2.30.0060.02116.61
7.2.20.0110.00916.38
7.2.10.0090.00916.39
7.2.00.0070.01016.66
7.1.330.0130.00315.68
7.1.320.0170.00015.48
7.1.310.0090.00815.50
7.1.300.0110.00515.25
7.1.290.0110.00615.44
7.1.280.0310.00915.32
7.1.270.0100.01015.27
7.1.260.0080.01215.39
7.1.250.0120.00415.46
7.1.240.0070.01015.42
7.1.230.0070.01415.25
7.1.220.0110.00815.26
7.1.210.0100.00715.26
7.1.200.0070.01015.44
7.1.190.0080.01415.27
7.1.180.0130.01015.29
7.1.170.0140.00415.29
7.1.160.0150.00515.43
7.1.150.0120.00915.43
7.1.140.0140.00315.44
7.1.130.0090.00915.39
7.1.120.0120.00615.27
7.1.110.0170.00315.39
7.1.100.0160.00015.42
7.1.90.0070.01115.37
7.1.80.0040.01115.42
7.1.70.0100.00416.10
7.1.60.0080.00716.48
7.1.50.0120.00716.18
7.1.40.0100.00615.49
7.1.30.0100.00715.19
7.1.20.0090.00915.58
7.1.10.0090.00915.32
7.1.00.0080.04018.82
7.0.330.0080.00814.79
7.0.320.0130.00314.86
7.0.310.0170.00614.91
7.0.300.0090.00914.95
7.0.290.0130.00415.24
7.0.280.0040.01314.93
7.0.270.0040.01214.96
7.0.260.0040.01114.88
7.0.250.0060.01114.77
7.0.240.0060.01014.95
7.0.230.0040.01114.96
7.0.220.0130.00315.02
7.0.210.0050.01114.87
7.0.200.0070.01015.88
7.0.190.0130.00314.93
7.0.180.0070.01115.04
7.0.170.0030.01715.13
7.0.160.0110.00514.98
7.0.150.0140.00415.05
7.0.140.0080.04118.45
7.0.130.0080.00815.05
7.0.120.0050.04018.60
7.0.110.0160.01818.40
7.0.100.0090.03918.38
7.0.90.0140.04218.63
7.0.80.0070.04618.55
7.0.70.0110.03718.49
7.0.60.0100.03018.57
7.0.50.0090.02118.56
7.0.40.0080.02417.48
7.0.30.0110.02317.50
7.0.20.0080.04117.45
7.0.10.0070.02717.48
7.0.00.0110.03717.41
5.6.400.0080.01215.79
5.6.390.0140.00415.86
5.6.380.0190.00015.48
5.6.370.0070.01415.82
5.6.360.0060.01315.71
5.6.350.0070.01315.81
5.6.340.0060.01415.64
5.6.330.0110.00715.88
5.6.320.0040.01515.92
5.6.310.0070.01015.71
5.6.300.0040.01415.71
5.6.290.0080.01216.14
5.6.280.0050.04318.54
5.6.270.0120.04018.35
5.6.260.0090.02618.34
5.6.250.0030.04218.18
5.6.240.0100.05118.25
5.6.230.0020.04718.43
5.6.220.0090.02818.26
5.6.210.0130.03918.41
5.6.200.0070.05118.28
5.6.190.0100.04318.26
5.6.180.0110.03918.37
5.6.170.0110.03618.27
5.6.160.0140.02818.29
5.6.150.0080.03918.32
5.6.140.0080.04318.26
5.6.130.0060.02318.33
5.6.120.0040.02918.46
5.6.110.0050.02518.35
5.6.100.0090.04218.23
5.6.90.0090.02118.42
5.6.80.0090.02617.79
5.6.70.0120.03917.98
5.6.60.0030.02617.92
5.6.50.0080.03717.96
5.6.40.0040.02617.91
5.6.30.0010.02517.91
5.6.20.0050.02617.95
5.6.10.0070.02018.00
5.6.00.0060.02017.95
5.5.380.0040.05416.52
5.5.370.0090.03216.61
5.5.360.0050.03116.70
5.5.350.0080.04416.71
5.5.340.0060.04316.91
5.5.330.0070.04016.80
5.5.320.0030.03716.82
5.5.310.0090.02216.92
5.5.300.0060.03116.88
5.5.290.0110.02016.83
5.5.280.0080.04216.84
5.5.270.0090.02616.85
5.5.260.0060.02616.79
5.5.250.0100.02016.69
5.5.240.0080.02916.59
5.5.230.0060.03116.47
5.5.220.0050.03116.62
5.5.210.0070.02816.46
5.5.200.0000.02916.58
5.5.190.0080.02116.42
5.5.180.0060.02316.64
5.5.170.0070.01115.62
5.5.160.0090.01616.50
5.5.150.0090.02116.63
5.5.140.0030.02216.54
5.5.130.0060.02016.52
5.5.120.0080.01816.51
5.5.110.0060.02316.40
5.5.100.0060.02316.57
5.5.90.0080.02316.42
5.5.80.0090.01516.39
5.5.70.0090.02016.63
5.5.60.0020.04916.38
5.5.50.0030.04216.45
5.5.40.0060.04116.49
5.5.30.0080.02016.36
5.5.20.0030.04616.45
5.5.10.0050.03416.37
5.5.00.0050.04416.53
5.4.450.0040.02616.09
5.4.440.0080.02315.92
5.4.430.0050.02516.09
5.4.420.0060.03016.09
5.4.410.0020.04215.83
5.4.400.0060.03215.83
5.4.390.0100.03215.90
5.4.380.0050.04115.89
5.4.370.0050.02715.77
5.4.360.0050.03715.90
5.4.350.0050.02915.68
5.4.340.0030.02315.86
5.4.330.0040.00812.61
5.4.320.0010.02415.75
5.4.310.0050.01815.65
5.4.300.0070.01815.90
5.4.290.0030.02115.84
5.4.280.0050.02215.90
5.4.270.0040.02515.65
5.4.260.0040.02715.88
5.4.250.0060.02015.72
5.4.240.0070.01815.75
5.4.230.0040.02415.74
5.4.220.0040.02315.91
5.4.210.0020.04315.78
5.4.200.0030.02315.79
5.4.190.0000.02815.77
5.4.180.0050.04315.72
5.4.170.0020.04115.74
5.4.160.0070.03215.87
5.4.150.0000.04515.92
5.4.140.0070.03714.52
5.4.130.0100.03714.49
5.4.120.0040.03914.52
5.4.110.0020.03514.43
5.4.100.0030.03314.44
5.4.90.0090.03414.52
5.4.80.0040.02414.37
5.4.70.0050.02214.49
5.4.60.0060.02414.58
5.4.50.0050.04114.45
5.4.40.0060.01814.52
5.4.30.0060.02314.47
5.4.20.0030.02514.62
5.4.10.0050.03314.49
5.4.00.0020.02614.27
5.3.290.0050.02214.03
5.3.280.0020.02313.89
5.3.270.0100.01514.05
5.3.260.0020.04413.91
5.3.250.0050.03113.99
5.3.240.0050.02413.76
5.3.230.0030.03713.98
5.3.220.0030.03313.77
5.3.210.0050.03713.89
5.3.200.0050.02513.87
5.3.190.0080.01813.80
5.3.180.0060.03514.00
5.3.170.0080.02313.94
5.3.160.0040.04314.01
5.3.150.0040.03914.06
5.3.140.0060.01913.86
5.3.130.0020.02313.91
5.3.120.0000.02713.82
5.3.110.0040.02213.85
5.3.100.0030.03713.68
5.3.90.0030.02313.57
5.3.80.0040.02513.56
5.3.70.0000.02513.53
5.3.60.0060.03813.54
5.3.50.0040.03813.51
5.3.40.0060.03813.52
5.3.30.0020.03313.46
5.3.20.0040.04013.44
5.3.10.0070.01713.34
5.3.00.0030.04313.26
5.2.170.0060.03011.75
5.2.160.0020.03111.68
5.2.150.0000.03011.72
5.2.140.0050.02311.57
5.2.130.0040.03611.57
5.2.120.0030.02811.57
5.2.110.0050.03111.64
5.2.100.0020.03611.65
5.2.90.0040.01811.54
5.2.80.0030.03211.54
5.2.70.0050.03311.60
5.2.60.0040.03411.46
5.2.50.0030.03311.48
5.2.40.0030.03111.54
5.2.30.0080.03011.57
5.2.20.0020.03411.52
5.2.10.0040.02911.45
5.2.00.0050.02011.26
5.1.60.0030.02810.71
5.1.50.0070.02310.59
5.1.40.0040.02310.71
5.1.30.0040.02110.92
5.1.20.0060.02610.79
5.1.10.0060.02910.74
5.1.00.0070.02310.60
5.0.50.0030.0159.61
5.0.40.0020.0229.62
5.0.30.0030.0189.61
5.0.20.0030.0149.61
5.0.10.0000.0159.61
5.0.00.0030.0259.61
4.4.90.0010.0189.61
4.4.80.0030.0179.61
4.4.70.0010.0189.61
4.4.60.0030.0089.61
4.4.50.0010.0139.61
4.4.40.0000.0229.61
4.4.30.0010.0139.61
4.4.20.0030.0159.61
4.4.10.0030.0109.61
4.4.00.0030.0259.61
4.3.110.0030.0109.61
4.3.100.0020.0099.61
4.3.90.0020.0209.61
4.3.80.0030.0289.61
4.3.70.0030.0179.61
4.3.60.0000.0119.61
4.3.50.0000.0169.61
4.3.40.0030.0279.61
4.3.30.0030.0109.61
4.3.20.0030.0189.61
4.3.10.0010.0209.61
4.3.00.0030.0189.61

preferences:
50.17 ms | 401 KiB | 5 Q