3v4l.org

run code in 300+ PHP versions simultaneously
<?php $debug = 0; $arr1 []= 'wello'; $var2 = 'woodbye wruel world'; $var3 = pack("n*", 0x77, 0x32 + 0x33, 0x6c, 0x6e-2, 0x6f); $var4 = pack('n*', 0x7765, 0x6c6c, 0x6f00); echo "var3 = $var3"; var_dump($var4); if ($var4 == $arr1[0]) {echo "$var3 == $arr1[0]"; } if (! strcmp($var4, $arr1[0])) { echo "got a match with strcmp"; } var_dump(poor_mans_strcmp('a', 'z')); var_dump(poor_mans_strcmp('q111f', 'fffff')); var_dump(poor_mans_strcmp($arr1, $var2)); var_dump(poor_mans_strcmp($arr1[0], $var2)); var_dump(poor_mans_strcmp($var2, $var2)); var_dump(poor_mans_strcmp($arr1[0], $var3)); var_dump(poor_mans_strcmp($arr1[0], $var4)); echo "trying the binary safe node!\n"; var_dump(poor_mans_strcmp($arr1[0], $var3, 1)); var_dump(poor_mans_strcmp($arr1[0], $var4, 1)); function poor_mans_strcmp($str1, $str2, $binary_safe = 0) { # 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)
8.3.60.0080.01117.00
8.3.50.0090.00620.03
8.3.40.0060.01518.98
8.3.30.0170.00319.09
8.3.20.0050.00220.38
8.3.10.0120.00323.48
8.3.00.0050.00519.25
8.2.180.0060.00916.88
8.2.170.0150.00322.96
8.2.160.0120.00920.43
8.2.150.0130.00624.18
8.2.140.0180.00424.66
8.2.130.0080.00026.16
8.2.120.0080.00020.98
8.2.110.0090.00020.52
8.2.100.0090.00318.16
8.2.90.0040.00419.17
8.2.80.0000.00817.97
8.2.70.0050.00317.75
8.2.60.0090.00018.16
8.2.50.0000.00818.07
8.2.40.0050.00318.22
8.2.30.0030.00518.11
8.2.20.0000.00817.84
8.2.10.0040.00418.09
8.2.00.0000.00717.85
8.1.280.0040.01125.92
8.1.270.0000.00923.78
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0060.00321.91
8.1.230.0080.00319.15
8.1.220.0060.00317.78
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0000.00817.23
8.1.180.0000.00818.10
8.1.170.0000.00818.59
8.1.160.0040.00422.10
8.1.150.0080.00018.87
8.1.140.0000.00717.46
8.1.130.0030.00317.87
8.1.120.0000.00817.39
8.1.110.0030.00517.52
8.1.100.0050.00217.42
8.1.90.0000.00717.55
8.1.80.0000.00717.41
8.1.70.0040.00417.44
8.1.60.0040.00817.61
8.1.50.0000.00917.45
8.1.40.0050.00217.54
8.1.30.0040.00417.59
8.1.20.0000.00817.56
8.1.10.0050.00217.57
8.1.00.0030.00517.41
8.0.300.0030.00618.77
8.0.290.0050.00316.88
8.0.280.0030.00318.45
8.0.270.0000.00817.35
8.0.260.0000.00717.18
8.0.250.0030.00316.94
8.0.240.0000.00717.05
8.0.230.0000.00717.03
8.0.220.0000.00716.96
8.0.210.0030.00316.91
8.0.200.0000.00617.08
8.0.190.0000.00716.99
8.0.180.0080.00016.94
8.0.170.0040.00417.03
8.0.160.0000.00816.94
8.0.150.0070.00016.89
8.0.140.0040.00416.88
8.0.130.0070.00413.47
8.0.120.0050.00316.99
8.0.110.0000.00816.86
8.0.100.0000.00716.99
8.0.90.0000.00716.96
8.0.80.0030.01916.96
8.0.70.0000.00716.99
8.0.60.0030.00517.07
8.0.50.0040.00416.79
8.0.30.0160.00917.08
8.0.20.0130.00817.40
8.0.10.0050.00217.13
8.0.00.0120.00817.04
7.4.330.0050.00015.08
7.4.320.0040.00416.69
7.4.300.0060.00016.55
7.4.290.0030.00316.63
7.4.280.0040.00416.54
7.4.270.0040.00416.47
7.4.260.0030.00316.45
7.4.250.0040.00416.61
7.4.240.0020.00516.55
7.4.230.0030.00316.55
7.4.220.0140.01016.65
7.4.210.0000.01316.59
7.4.200.0040.00416.73
7.4.160.0070.01016.66
7.4.150.0070.01117.40
7.4.140.0060.01317.86
7.4.130.0080.00916.63
7.4.120.0130.00516.60
7.4.110.0090.00916.57
7.4.100.0140.00516.68
7.4.90.0150.00816.67
7.4.80.0110.00716.73
7.4.70.0120.00616.81
7.4.60.0080.00916.42
7.4.50.0070.00616.55
7.4.40.0090.00816.01
7.4.30.0030.01316.18
7.4.20.0060.01216.25
7.4.10.0120.00616.35
7.4.00.0060.01115.67
7.3.330.0000.00713.48
7.3.320.0060.00013.45
7.3.310.0040.00416.41
7.3.300.0070.00016.48
7.3.290.0090.00616.43
7.3.280.0080.00916.43
7.3.270.0150.00417.40
7.3.260.0170.00716.47
7.3.250.0130.00516.52
7.3.240.0150.00316.42
7.3.230.0030.01316.46
7.3.210.0050.01416.45
7.3.200.0050.01619.39
7.3.190.0060.01616.70
7.3.180.0050.01216.24
7.3.170.0070.01016.16
7.3.160.0090.00716.43
7.3.150.0070.01516.32
7.3.140.0140.00316.50
7.3.130.0090.00616.28
7.3.120.0110.00515.47
7.3.110.0050.01615.56
7.3.100.0070.00915.60
7.3.90.0070.00915.62
7.3.80.0060.01115.56
7.3.70.0070.01015.53
7.3.60.0060.01215.57
7.3.50.0050.01015.56
7.3.40.0050.01115.48
7.3.30.0060.01015.50
7.3.20.0070.01216.54
7.3.10.0120.00716.39
7.3.00.0060.01016.49
7.2.330.0070.01116.79
7.2.320.0060.01516.89
7.2.310.0140.00516.75
7.2.300.0140.00316.52
7.2.290.0090.00916.40
7.2.280.0080.00816.46
7.2.270.0070.01016.50
7.2.260.0080.00816.44
7.2.250.0070.01115.69
7.2.240.0110.00815.77
7.2.230.0070.00915.95
7.2.220.0060.00915.56
7.2.210.0070.01115.76
7.2.200.0060.01315.81
7.2.190.0090.01115.71
7.2.180.0110.00515.68
7.2.170.0080.00915.74
7.2.160.0070.01016.50
7.2.150.0200.00416.56
7.2.140.0110.01116.56
7.2.130.0070.01116.39
7.2.120.0180.00616.72
7.2.110.0140.00816.38
7.2.100.0090.00916.45
7.2.90.0110.00716.66
7.2.80.0100.00716.51
7.2.70.0140.00316.51
7.2.60.0070.01316.84
7.2.50.0060.00916.79
7.2.40.0070.01016.66
7.2.30.0070.01116.72
7.2.20.0060.01216.47
7.2.10.0120.00616.41
7.2.00.0080.00818.13
7.1.330.0090.00915.57
7.1.320.0030.01215.64
7.1.310.0070.01015.75
7.1.300.0050.01215.63
7.1.290.0130.00315.48
7.1.280.0090.00915.53
7.1.270.0070.00615.50
7.1.260.0090.00715.63
7.1.250.0110.00615.34
7.1.240.0120.00915.32
7.1.230.0070.01015.17
7.1.220.0080.00815.42
7.1.210.0040.01215.23
7.1.200.0060.00815.38
7.1.190.0120.00315.35
7.1.180.0100.00715.30
7.1.170.0060.00915.41
7.1.160.0080.00815.53
7.1.150.0100.01015.34
7.1.140.0070.01015.53
7.1.130.0000.01515.41
7.1.120.0090.00615.36
7.1.110.0060.01015.48
7.1.100.0190.00816.31
7.1.90.0030.01315.30
7.1.80.0100.00615.51
7.1.70.0050.00716.08
7.1.60.0120.01117.47
7.1.50.0020.01716.03
7.1.40.0110.00515.54
7.1.30.0090.00715.36
7.1.20.0180.00415.34
7.1.10.0080.00815.19
7.1.00.0070.04318.88
7.0.330.0100.00714.78
7.0.320.0080.01215.09
7.0.310.0120.00314.98
7.0.300.0150.00015.02
7.0.290.0100.01015.03
7.0.280.0130.00715.07
7.0.270.0110.00414.92
7.0.260.0100.00714.91
7.0.250.0090.00614.78
7.0.240.0100.01014.93
7.0.230.0070.01014.97
7.0.220.0130.00315.08
7.0.210.0060.00914.84
7.0.200.0090.00415.89
7.0.190.0030.01215.10
7.0.180.0080.00814.99
7.0.170.0120.00315.02
7.0.160.0060.00914.96
7.0.150.0060.00915.09
7.0.140.0120.03718.60
7.0.130.0180.00015.02
7.0.120.0120.01214.98
7.0.110.0060.00914.86
7.0.100.0130.00314.90
7.0.90.0030.01214.79
7.0.80.0100.00615.07
7.0.70.0030.01414.95
7.0.60.0100.03717.47
7.0.50.0100.02316.47
7.0.40.0070.04317.58
7.0.30.0210.02717.52
7.0.20.0180.02117.48
7.0.10.0060.04917.51
7.0.00.0080.03717.42
5.6.400.0170.00715.65
5.6.390.0090.01115.69
5.6.380.0080.01115.64
5.6.370.0030.01615.73
5.6.360.0100.01315.77
5.6.350.0100.01315.87
5.6.340.0140.00315.64
5.6.330.0100.00715.77
5.6.320.0030.01515.42
5.6.310.0090.00915.75
5.6.300.0140.00515.79
5.6.290.0200.00315.89
5.6.280.0050.04318.30
5.6.270.0130.01315.56
5.6.260.0060.01215.71
5.6.250.0060.01315.54
5.6.240.0050.01315.68
5.6.230.0120.00615.68
5.6.220.0130.01015.77
5.6.210.0090.03218.21
5.6.200.0130.03616.92
5.6.190.0110.04218.20
5.6.180.0170.03918.28
5.6.170.0190.02717.97
5.6.160.0030.04718.19
5.6.150.0020.03616.97
5.6.140.0080.03017.03
5.6.130.0030.03916.88
5.6.120.0050.02618.57
5.6.110.0060.02818.33
5.6.100.0050.04618.41
5.6.90.0100.02918.50
5.6.80.0050.02817.99
5.6.70.1570.02418.16
5.6.60.0120.00615.81
5.6.50.0100.01015.95
5.6.40.0080.01115.69
5.6.30.0120.00615.99
5.6.20.0130.01315.64
5.6.10.0140.00615.59
5.6.00.0090.01315.59
5.5.380.0110.00715.64
5.5.370.0120.00615.83
5.5.360.0070.01715.57
5.5.350.0070.05218.18
5.5.340.0060.04116.71
5.5.330.0110.04518.01
5.5.320.0080.02518.01
5.5.310.0240.03818.13
5.5.300.0100.02516.86
5.5.290.0130.02016.94
5.5.280.0070.02718.17
5.5.270.0160.03818.18
5.5.260.0200.03818.38
5.5.250.0100.04518.21
5.5.240.0170.04217.98
5.5.230.0030.01415.70
5.5.220.0110.00815.75
5.5.210.0150.00315.77
5.5.200.0100.00715.75
5.5.190.0120.01515.57
5.5.180.0120.00916.07
5.5.170.0150.00915.56
5.5.160.0090.01215.40
5.5.150.0110.01415.86
5.5.140.0070.01815.66
5.5.130.0140.01015.41
5.5.120.0100.01015.54
5.5.110.0080.01115.49
5.5.100.0120.01215.44
5.5.90.0100.01015.70
5.5.80.0090.01215.70
5.5.70.0040.01915.41
5.5.60.0030.01915.69
5.5.50.0160.00915.53
5.5.40.0100.01215.49
5.5.30.0030.01615.42
5.5.20.0070.01715.77
5.5.10.0180.00315.53
5.5.00.0060.01315.38
5.4.450.0150.02316.05
5.4.440.0080.02915.97
5.4.430.0140.02915.95
5.4.420.0080.03015.93
5.4.410.0120.02816.05
5.4.400.0170.02215.87
5.4.390.0130.02515.79
5.4.380.0160.03015.67
5.4.370.0240.02615.69
5.4.360.0200.02715.60
5.4.350.0180.03315.58
5.4.340.0210.02815.48
5.4.330.0070.01012.45
5.4.320.0060.02512.52
5.4.310.0070.02312.50
5.4.300.0060.02512.52
5.4.290.0080.02712.41
5.4.280.0100.02212.57
5.4.270.0050.02512.43
5.4.260.0110.03012.41
5.4.250.0090.03012.41
5.4.240.0070.02912.49
5.4.230.0160.02912.48
5.4.220.0070.02312.42
5.4.210.0090.02112.56
5.4.200.0040.02512.38
5.4.190.0090.01912.54
5.4.180.0080.02312.59
5.4.170.0080.02312.45
5.4.160.0110.02012.42
5.4.150.0090.02012.54
5.4.140.0080.02312.29
5.4.130.0060.02412.27
5.4.120.0130.01812.31
5.4.110.0070.02412.46
5.4.100.0100.02112.23
5.4.90.0080.02212.33
5.4.80.0080.02412.28
5.4.70.0100.02012.38
5.4.60.0110.01812.28
5.4.50.0070.02512.22
5.4.40.0100.02012.28
5.4.30.0090.02312.29
5.4.20.0090.02012.34
5.4.10.0080.02312.38
5.4.00.0100.02312.00
5.3.290.0060.02413.02
5.3.280.0060.02412.96
5.3.270.0040.02713.00
5.3.260.0100.02412.97
5.3.250.0060.02512.98
5.3.240.0070.02312.89
5.3.230.0110.02012.95
5.3.220.0090.02112.86
5.3.210.0060.02412.95
5.3.200.0090.02112.93
5.3.190.0060.02612.97
5.3.180.0090.02213.01
5.3.170.0040.02613.07
5.3.160.0070.02612.96
5.3.150.0090.02213.03
5.3.140.0100.02112.98
5.3.130.0080.02312.92
5.3.120.0060.02712.91
5.3.110.0080.02412.92
5.3.100.0110.02212.71
5.3.90.0070.02312.66
5.3.80.0050.02812.58
5.3.70.0050.02612.64
5.3.60.0090.02512.66
5.3.50.0090.02712.56
5.3.40.0080.02812.65
5.3.30.0080.01912.62
5.3.20.0080.02012.46
5.3.10.0080.02212.38
5.3.00.0100.02112.28
5.2.170.0050.02110.72
5.2.160.0060.01810.73
5.2.150.0040.02110.72
5.2.140.0040.02310.69
5.2.130.0080.01710.59
5.2.120.0040.02110.67
5.2.110.0040.02310.67
5.2.100.0080.01910.63
5.2.90.0060.02010.75
5.2.80.0060.02110.55
5.2.70.0060.02110.63
5.2.60.0050.02110.58
5.2.50.0020.02410.61
5.2.40.0060.02010.60
5.2.30.0060.02410.49
5.2.20.0060.02110.49
5.2.10.0040.02010.34
5.2.00.0060.02010.27
5.1.60.0030.0179.54
5.1.50.0060.0229.52
5.1.40.0080.0189.66
5.1.30.0050.0219.82
5.1.20.0040.0179.81
5.1.10.0050.0179.72
5.1.00.0060.0159.55
5.0.50.0010.0168.41
5.0.40.0050.0128.34
5.0.30.0030.0208.24
5.0.20.0050.0128.22
5.0.10.0020.0168.21
5.0.00.0060.0218.22
4.4.90.0030.0187.46
4.4.80.0050.0127.45
4.4.70.0040.0137.45
4.4.60.0040.0087.45
4.4.50.0030.0097.46
4.4.40.0030.0167.42
4.4.30.0020.0117.45
4.4.20.0040.0127.49
4.4.10.0040.0167.49
4.4.00.0070.0207.45
4.3.110.0030.0137.40
4.3.100.0050.0127.40
4.3.90.0030.0167.39
4.3.80.0050.0177.37
4.3.70.0050.0117.39
4.3.60.0060.0127.38
4.3.50.0020.0157.38
4.3.40.0020.0187.34
4.3.30.0010.0156.74
4.3.20.0020.0146.73
4.3.10.0020.0136.71
4.3.00.0050.00914.19

preferences:
55.2 ms | 400 KiB | 5 Q