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) { 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)
8.3.60.0090.00917.00
8.3.50.0120.00522.87
8.3.40.0070.01318.97
8.3.30.0060.00919.17
8.3.20.0040.00420.33
8.3.10.0030.01323.40
8.3.00.0080.00019.63
8.2.180.0040.01116.50
8.2.170.0140.01122.96
8.2.160.0190.00320.47
8.2.150.0120.00324.18
8.2.140.0110.01124.66
8.2.130.0140.00326.16
8.2.120.0060.01219.72
8.2.110.0000.00920.58
8.2.100.0000.01118.16
8.2.90.0080.00019.17
8.2.80.0030.00617.97
8.2.70.0030.00617.63
8.2.60.0000.00818.03
8.2.50.0030.00618.07
8.2.40.0000.00818.34
8.2.30.0040.00418.05
8.2.20.0040.00417.70
8.2.10.0040.00418.28
8.2.00.0040.00417.79
8.1.280.0100.01025.92
8.1.270.0040.00423.96
8.1.260.0120.00326.35
8.1.250.0120.00828.09
8.1.240.0000.00822.18
8.1.230.0040.00819.13
8.1.220.0060.00317.88
8.1.210.0000.00818.77
8.1.200.0030.00617.35
8.1.190.0030.00617.23
8.1.180.0030.00518.10
8.1.170.0050.00318.49
8.1.160.0040.00421.96
8.1.150.0000.00718.96
8.1.140.0040.00417.50
8.1.130.0030.00317.77
8.1.120.0040.00417.39
8.1.110.0040.00417.55
8.1.100.0040.00417.39
8.1.90.0000.00717.39
8.1.80.0050.00217.50
8.1.70.0100.00017.48
8.1.60.0090.00317.66
8.1.50.0030.00617.49
8.1.40.0040.00417.58
8.1.30.0040.00417.66
8.1.20.0040.00417.65
8.1.10.0000.00817.63
8.1.00.0000.00817.56
8.0.300.0000.00718.77
8.0.290.0000.00717.00
8.0.280.0030.00318.36
8.0.270.0040.00417.17
8.0.260.0040.00417.21
8.0.250.0070.00017.09
8.0.240.0060.00017.05
8.0.230.0020.00517.10
8.0.220.0000.00717.01
8.0.210.0000.00716.96
8.0.200.0040.00416.95
8.0.190.0030.00517.07
8.0.180.0070.00017.03
8.0.170.0000.00716.95
8.0.160.0030.00317.13
8.0.150.0000.00817.00
8.0.140.0000.00816.97
8.0.130.0070.00013.46
8.0.120.0030.00516.99
8.0.110.0080.00016.95
8.0.100.0000.00816.87
8.0.90.0000.00716.91
8.0.80.0130.01016.96
8.0.70.0040.00416.80
8.0.60.0000.00817.12
8.0.50.0070.00017.06
8.0.30.0110.00817.19
8.0.20.0090.01417.40
8.0.10.0040.00416.95
8.0.00.0130.00816.88
7.4.330.0050.00015.00
7.4.320.0030.00316.61
7.4.300.0060.00016.60
7.4.290.0040.00416.48
7.4.280.0070.00016.43
7.4.270.0040.00416.66
7.4.260.0000.00716.50
7.4.250.0030.00516.52
7.4.240.0020.00516.51
7.4.230.0030.00316.74
7.4.220.0040.01416.68
7.4.210.0040.01116.51
7.4.200.0040.00416.48
7.4.160.0130.00916.50
7.4.150.0060.01417.40
7.4.140.0070.01117.86
7.4.130.0070.01116.58
7.4.120.0090.00816.64
7.4.110.0120.00616.48
7.4.100.0120.00616.36
7.4.90.0100.01116.60
7.4.80.0070.01416.53
7.4.70.0090.00916.63
7.4.60.0120.00516.37
7.4.50.0060.00816.49
7.4.40.0090.01116.29
7.4.30.0150.00415.99
7.4.20.0110.00616.38
7.4.10.0070.01015.97
7.4.00.0060.01015.68
7.3.330.0060.00013.45
7.3.320.0000.00513.31
7.3.310.0030.00316.45
7.3.300.0000.00716.42
7.3.290.0150.00616.47
7.3.280.0030.01216.46
7.3.270.0060.01217.40
7.3.260.0110.01116.52
7.3.250.0100.00616.44
7.3.240.0130.00316.60
7.3.230.0120.00616.67
7.3.210.0060.01116.56
7.3.200.0060.01219.39
7.3.190.0070.01016.51
7.3.180.0020.01516.35
7.3.170.0100.00916.23
7.3.160.0110.00716.29
7.3.150.0080.01116.45
7.3.140.0120.00616.39
7.3.130.0100.00715.63
7.3.120.0070.00915.92
7.3.110.0090.00915.80
7.3.100.0040.01215.84
7.3.90.0050.01315.86
7.3.80.0050.01015.73
7.3.70.0070.00915.80
7.3.60.0040.00915.75
7.3.50.0100.00615.83
7.3.40.0100.00615.70
7.3.30.0090.00615.80
7.3.20.0060.01016.56
7.3.10.0090.00816.69
7.3.00.0050.01116.66
7.2.330.0100.00716.59
7.2.320.0030.01516.92
7.2.310.0090.00916.54
7.2.300.0080.01116.39
7.2.290.0130.00616.74
7.2.280.0090.00916.66
7.2.270.0030.02016.57
7.2.260.0060.01215.86
7.2.250.0070.01215.63
7.2.240.0070.00915.97
7.2.230.0040.01115.94
7.2.220.0030.01416.02
7.2.210.0110.00715.98
7.2.200.0080.00715.96
7.2.190.0090.00715.93
7.2.180.0120.00515.92
7.2.170.0080.00815.92
7.2.160.0100.00916.18
7.2.150.0080.00816.84
7.2.140.0110.00816.89
7.2.130.0090.00816.84
7.2.120.0120.00816.93
7.2.110.0120.00516.86
7.2.100.0090.00816.86
7.2.90.0040.01116.90
7.2.80.0090.00916.80
7.2.70.0070.00916.88
7.2.60.0070.00916.90
7.2.50.0110.00816.84
7.2.40.0070.00916.86
7.2.30.0090.00716.89
7.2.20.0060.00616.85
7.2.10.0090.00716.80
7.2.00.0070.00717.51
7.1.330.0070.00816.09
7.1.320.0090.00716.09
7.1.310.0050.01016.05
7.1.300.0080.00716.09
7.1.290.0060.00915.99
7.1.280.0060.01116.04
7.1.270.0080.00715.95
7.1.260.0060.00916.04
7.1.250.0100.00716.13
7.1.240.0090.01215.71
7.1.230.0060.00815.56
7.1.220.0120.00315.57
7.1.210.0090.00915.66
7.1.200.0050.01015.55
7.1.190.0120.00915.60
7.1.180.0130.00415.61
7.1.170.0130.00715.56
7.1.160.0070.00815.58
7.1.150.0060.01015.46
7.1.140.0060.00915.70
7.1.130.0030.01215.70
7.1.120.0080.00815.61
7.1.110.0090.00715.75
7.1.100.0160.00816.31
7.1.90.0120.00415.54
7.1.80.0060.00815.59
7.1.70.0070.00516.10
7.1.60.0070.01016.87
7.1.50.0070.01116.04
7.1.40.0080.00615.49
7.1.30.0050.01015.42
7.1.20.0060.00715.75
7.1.10.0090.00615.54
7.1.00.0090.02917.90
7.0.330.0100.00715.27
7.0.320.0060.00915.21
7.0.310.0070.00715.25
7.0.300.0080.00715.14
7.0.290.0080.00615.23
7.0.280.0070.00715.27
7.0.270.0070.00715.00
7.0.260.0110.00315.18
7.0.250.0080.00815.26
7.0.240.0080.00515.32
7.0.230.0050.00815.33
7.0.220.0080.00815.22
7.0.210.0080.00715.09
7.0.200.0030.00915.63
7.0.190.0050.00715.10
7.0.180.0070.00715.09
7.0.170.0030.01115.24
7.0.160.0080.00515.06
7.0.150.0090.00615.13
7.0.140.0060.02917.46
7.0.130.0060.01115.07
7.0.120.0090.00415.27
7.0.110.0080.03216.66
7.0.100.0060.03216.89
7.0.90.0090.01516.83
7.0.80.0090.03416.91
7.0.70.0060.02016.84
7.0.60.0080.01516.84
7.0.50.0050.01816.76
7.0.40.0070.02016.05
7.0.30.0110.01415.96
7.0.20.0050.01916.07
7.0.10.0040.02016.07
7.0.00.0060.01616.10
5.6.400.0080.00614.91
5.6.390.0070.01215.19
5.6.380.0110.00815.28
5.6.370.0070.01015.22
5.6.360.0060.01114.95
5.6.350.0080.00615.13
5.6.340.0140.00415.23
5.6.330.0030.01015.04
5.6.320.0050.01015.31
5.6.310.0080.00515.04
5.6.300.0050.01015.04
5.6.290.0080.00715.43
5.6.280.0090.02917.03
5.6.270.0090.00914.98
5.6.260.0040.02416.91
5.6.250.0070.02517.01
5.6.240.0080.03516.93
5.6.230.0120.02817.05
5.6.220.0030.02017.06
5.6.210.0030.01916.90
5.6.200.0040.01916.96
5.6.190.0060.01817.04
5.6.180.0090.01617.13
5.6.170.0070.01616.87
5.6.160.0110.01416.94
5.6.150.0070.02317.02
5.6.140.0100.02316.90
5.6.130.0120.01216.93
5.6.120.0090.01816.93
5.6.110.0060.02116.97
5.6.100.0090.02516.99
5.6.90.0040.02317.09
5.6.80.0040.02116.78
5.6.70.0100.01516.59
5.6.60.0040.01916.57
5.6.50.0090.02316.79
5.6.40.0060.01816.68
5.6.30.0070.03316.59
5.6.20.0060.02016.72
5.6.10.0010.02216.64
5.6.00.0040.02816.74
5.5.380.0080.03215.79
5.5.370.0070.03115.88
5.5.360.0020.02415.70
5.5.350.0030.02215.90
5.5.340.0040.02215.88
5.5.330.0050.02115.84
5.5.320.0050.02015.97
5.5.310.0080.01916.04
5.5.300.0060.02216.02
5.5.290.0070.01915.96
5.5.280.0040.02115.90
5.5.270.0050.02315.83
5.5.260.0070.02115.97
5.5.250.0070.02015.77
5.5.240.0040.02115.75
5.5.230.0080.01715.77
5.5.220.0060.02115.79
5.5.210.0080.01515.69
5.5.200.0010.02815.64
5.5.190.0080.01915.62
5.5.180.0120.02115.91
5.5.170.0080.00814.84
5.5.160.0060.01915.83
5.5.150.0050.02115.61
5.5.140.0050.01915.74
5.5.130.0030.02615.76
5.5.120.0050.02115.72
5.5.110.0110.02415.65
5.5.100.0090.02815.71
5.5.90.0080.03215.68
5.5.80.0090.03015.68
5.5.70.0020.02415.78
5.5.60.0080.03115.71
5.5.50.0050.03415.78
5.5.40.0090.03115.75
5.5.30.0130.01715.67
5.5.20.0080.02915.77
5.5.10.0080.03015.70
5.5.00.0070.02015.57
5.4.450.0060.02514.52
5.4.440.0070.01614.50
5.4.430.0030.02214.50
5.4.420.0080.01614.29
5.4.410.0020.01914.38
5.4.400.0020.02014.33
5.4.390.0060.02014.22
5.4.380.0040.01914.34
5.4.370.0040.01814.37
5.4.360.0040.02014.23
5.4.350.0070.01414.34
5.4.340.0050.03314.40
5.4.330.0070.00511.83
5.4.320.0040.01714.27
5.4.310.0050.02114.26
5.4.300.0070.02014.38
5.4.290.0060.01814.13
5.4.280.0050.02814.14
5.4.270.0100.02414.19
5.4.260.0040.01914.31
5.4.250.0110.02814.19
5.4.240.0040.03214.21
5.4.230.0060.02714.40
5.4.220.0070.03014.16
5.4.210.0050.03014.33
5.4.200.0010.02714.26
5.4.190.0040.02014.30
5.4.180.0090.02814.35
5.4.170.0070.01614.38
5.4.160.0040.03014.29
5.4.150.0060.03114.33
5.4.140.0090.02913.43
5.4.130.0060.02613.47
5.4.120.0030.03313.40
5.4.110.0060.02813.40
5.4.100.0010.02413.40
5.4.90.0040.03013.54
5.4.80.0060.02813.38
5.4.70.0060.02013.41
5.4.60.0100.02413.37
5.4.50.0070.02813.38
5.4.40.0070.02713.34
5.4.30.0080.01313.39
5.4.20.0040.02913.46
5.4.10.0050.03013.39
5.4.00.0030.02113.18
5.3.290.0080.02314.01
5.3.280.0030.04013.91
5.3.270.0030.04613.92
5.3.260.0040.04413.97
5.3.250.0030.02913.87
5.3.240.0050.02813.85
5.3.230.0060.04613.88
5.3.220.0110.03813.94
5.3.210.0080.04113.85
5.3.200.0080.04213.88
5.3.190.0110.03613.87
5.3.180.0100.02313.91
5.3.170.0050.03113.88
5.3.160.0060.02713.95
5.3.150.0030.04414.04
5.3.140.0110.03213.85
5.3.130.0070.04113.85
5.3.120.0030.04313.78
5.3.110.0110.02313.86
5.3.100.0060.03713.65
5.3.90.0030.04613.57
5.3.80.0030.04413.65
5.3.70.0020.04313.57
5.3.60.0080.03813.61
5.3.50.0070.03513.49
5.3.40.0080.02713.53
5.3.30.0090.02613.57
5.3.20.0080.02113.39
5.3.10.0080.03813.38
5.3.00.0090.03413.22
5.2.170.0090.03212.14
5.2.160.0070.02912.14
5.2.150.0050.03812.11
5.2.140.0030.02712.03
5.2.130.0030.03712.07
5.2.120.0050.03612.04
5.2.110.0070.03312.12
5.2.100.0080.03012.06
5.2.90.0070.03712.04
5.2.80.0080.03312.04
5.2.70.0050.03711.98
5.2.60.0100.03211.97
5.2.50.0000.02912.00
5.2.40.0090.03212.06
5.2.30.0090.03212.11
5.2.20.0070.03312.03
5.2.10.0120.02811.97
5.2.00.0110.03111.86
5.1.60.0060.03111.52
5.1.50.0040.03311.53
5.1.40.0050.02811.61
5.1.30.0080.03011.69
5.1.20.0020.03611.61
5.1.10.0050.03111.57
5.1.00.0080.02811.51
5.0.50.0050.02311.11
5.0.40.0070.02111.11
5.0.30.0070.02811.11
5.0.20.0070.02311.11
5.0.10.0020.02711.11
5.0.00.0050.02211.11
4.4.90.0020.02111.11
4.4.80.0000.02311.11
4.4.70.0030.01811.11
4.4.60.0050.01611.11
4.4.50.0000.01111.11
4.4.40.0010.02411.11
4.4.30.0020.02211.11
4.4.20.0060.01811.11
4.4.10.0020.02111.11
4.4.00.0030.02811.11
4.3.110.0040.01011.11
4.3.100.0030.01811.11
4.3.90.0010.02111.11
4.3.80.0010.01611.11
4.3.70.0050.00911.11
4.3.60.0010.01611.11
4.3.50.0010.01811.11
4.3.40.0030.02611.11
4.3.30.0020.02011.11
4.3.20.0030.01811.11
4.3.10.0050.01711.11
4.3.00.0030.00811.11

preferences:
47.12 ms | 401 KiB | 5 Q