3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 []= 'wello'; $var2 = 'woodbye wruel world'; $var3 = pack("C*", 0x76, 0x32 + 0x33, 0x6c, 0x6e-2, 0x6f); var_dump(poor_mans_strcmp('a', 'z')); var_dump(poor_mans_strcmp('q111f', 'fffff')); var_dump(poor_mans_strcmp($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)
8.3.60.0030.01216.88
8.3.50.0120.00722.71
8.3.40.0110.00418.73
8.3.30.0090.00918.87
8.3.20.0080.00020.34
8.3.10.0090.00023.39
8.3.00.0000.00819.38
8.2.180.0180.00316.63
8.2.170.0160.00319.00
8.2.160.0110.00422.96
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0090.00021.04
8.2.110.0000.01119.30
8.2.100.0120.00017.80
8.2.90.0040.00419.21
8.2.80.0040.00417.97
8.2.70.0050.00317.63
8.2.60.0040.00417.93
8.2.50.0050.00318.07
8.2.40.0050.00318.16
8.2.30.0000.00718.13
8.2.20.0000.00817.63
8.2.10.0030.00518.06
8.2.00.0030.00517.81
8.1.280.0130.00725.92
8.1.270.0000.00923.96
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00320.97
8.1.230.0080.00317.58
8.1.220.0030.00517.80
8.1.210.0040.00418.77
8.1.200.0060.00617.23
8.1.190.0000.00817.22
8.1.180.0050.00318.10
8.1.170.0050.00318.59
8.1.160.0000.00722.06
8.1.150.0040.00418.89
8.1.140.0040.00417.46
8.1.130.0030.00317.85
8.1.120.0080.00017.51
8.1.110.0000.00717.40
8.1.100.0050.00317.42
8.1.90.0050.00317.45
8.1.80.0000.00717.44
8.1.70.0070.00017.35
8.1.60.0060.00317.63
8.1.50.0040.00417.43
8.1.40.0040.00417.51
8.1.30.0000.00817.49
8.1.20.0060.00317.72
8.1.10.0060.00317.47
8.1.00.0060.00317.49
8.0.300.0050.00518.77
8.0.290.0040.00416.75
8.0.280.0000.00718.54
8.0.270.0050.00217.18
8.0.260.0060.00017.14
8.0.250.0000.00716.92
8.0.240.0040.00416.96
8.0.230.0030.00316.93
8.0.220.0000.00716.98
8.0.210.0060.00316.96
8.0.200.0080.00016.93
8.0.190.0030.00617.02
8.0.180.0000.00816.99
8.0.170.0000.00817.00
8.0.160.0000.00716.86
8.0.150.0040.00416.83
8.0.140.0080.00016.93
8.0.130.0000.00613.40
8.0.120.0040.00416.95
8.0.110.0040.00416.94
8.0.100.0070.00016.74
8.0.90.0070.00016.95
8.0.80.0070.00716.93
8.0.70.0000.00817.02
8.0.60.0070.00017.00
8.0.50.0040.00416.98
8.0.30.0110.01217.22
8.0.20.0080.01117.40
8.0.10.0040.00416.88
8.0.00.0100.00816.83
7.4.330.0000.00615.12
7.4.320.0030.00316.43
7.4.300.0030.00316.59
7.4.290.0050.00316.46
7.4.280.0030.00616.58
7.4.270.0040.00416.52
7.4.260.0030.00316.39
7.4.250.0030.00516.49
7.4.240.0020.00616.48
7.4.230.0000.00716.39
7.4.220.0090.00916.61
7.4.210.0090.00616.65
7.4.200.0070.00016.31
7.4.160.0080.00816.52
7.4.150.0090.01117.40
7.4.140.0050.01317.86
7.4.130.0060.01116.71
7.4.120.0110.00716.64
7.4.110.0130.00316.36
7.4.100.0040.01416.57
7.4.90.0110.01116.46
7.4.80.0140.00919.39
7.4.70.0070.01416.66
7.4.60.0070.01016.33
7.4.50.0040.00416.27
7.4.40.0070.01016.55
7.4.30.0160.00016.65
7.4.00.0070.01015.09
7.3.330.0000.00613.37
7.3.320.0030.00313.39
7.3.310.0000.00716.46
7.3.300.0030.00316.48
7.3.290.0090.00816.38
7.3.280.0120.00616.44
7.3.270.0140.00517.40
7.3.260.0130.00616.50
7.3.250.0140.00716.48
7.3.240.0180.00616.51
7.3.230.0090.00916.45
7.3.210.0050.01316.41
7.3.200.0100.00716.41
7.3.190.0100.01316.59
7.3.180.0000.01516.46
7.3.170.0040.01416.52
7.3.160.0140.00316.51
7.3.120.0060.01314.95
7.3.110.0040.01115.11
7.3.100.0060.01014.46
7.3.90.0030.01214.57
7.3.80.0100.00714.96
7.3.70.0000.01214.62
7.3.60.0070.00714.87
7.3.50.0070.00314.77
7.3.40.0000.01314.82
7.3.30.0040.01114.78
7.3.20.0060.00616.85
7.3.10.0120.00016.72
7.3.00.0130.00316.64
7.2.330.0100.01316.43
7.2.320.0200.00016.86
7.2.310.0040.01416.56
7.2.300.0030.01316.48
7.2.290.0080.00916.78
7.2.240.0100.01014.91
7.2.230.0080.00815.30
7.2.220.0130.00614.61
7.2.210.0000.01414.85
7.2.200.0100.00715.08
7.2.190.0030.01215.11
7.2.180.0050.00515.12
7.2.170.0070.00714.84
7.2.160.0080.00814.94
7.2.150.0090.00616.84
7.2.140.0070.00717.00
7.2.130.0130.00016.64
7.2.120.0070.01016.93
7.2.110.0100.01016.80
7.2.100.0050.00516.70
7.2.90.0070.00716.76
7.2.80.0060.00916.91
7.2.70.0060.01217.02
7.2.60.0060.00916.90
7.2.50.0040.00716.93
7.2.40.0000.01316.74
7.2.30.0060.00916.75
7.2.20.0090.00616.83
7.2.10.0040.01216.75
7.2.00.0050.00818.07
7.1.330.0040.01215.96
7.1.320.0070.01115.88
7.1.310.0030.00815.76
7.1.300.0040.00815.87
7.1.290.0070.01015.71
7.1.280.0060.00915.46
7.1.270.0040.01115.99
7.1.260.0070.00715.86
7.1.250.0160.00315.82
7.1.100.0790.00615.75
7.1.70.0030.00617.19
7.1.60.0030.01017.28
7.1.50.0110.01417.04
7.1.00.0000.08022.35
7.0.200.0030.01316.53
7.0.140.0030.07022.00
7.0.110.0100.06720.05
7.0.100.0030.08719.98
7.0.90.0100.07319.95
7.0.80.0070.05019.98
7.0.70.0030.06719.94
7.0.60.0030.09019.98
7.0.50.0100.08720.39
7.0.40.0030.08320.04
7.0.30.0170.06720.16
7.0.20.0130.07720.02
7.0.10.0100.05720.12
7.0.00.0100.08020.25
5.6.280.0070.07320.87
5.6.260.0130.08320.66
5.6.250.0170.07320.50
5.6.240.0030.09020.48
5.6.230.0070.07320.56
5.6.220.0070.07320.70
5.6.210.0100.05020.73
5.6.200.0100.08021.04
5.6.190.0030.08321.11
5.6.180.0030.08721.14
5.6.170.0030.05320.99
5.6.160.0070.08021.08
5.6.150.0100.07021.05
5.6.140.0200.06320.99
5.6.130.0100.07321.19
5.6.120.0100.07021.27
5.6.110.0130.07721.14
5.6.100.0100.08320.94
5.6.90.0070.04021.00
5.6.80.0070.07020.35
5.6.70.0030.06320.37
5.6.60.0270.03320.36
5.6.50.0200.06320.37
5.6.40.0100.03720.29
5.6.30.0030.04720.50
5.6.20.0030.08320.54
5.6.10.0100.07020.45
5.6.00.0130.07020.54
5.5.380.0070.07320.29
5.5.370.0100.08020.29
5.5.360.0100.06020.46
5.5.350.0070.08020.44
5.5.340.0100.07720.82
5.5.330.0070.07020.91
5.5.320.0200.04320.89
5.5.310.0230.06720.81
5.5.300.0100.08020.99
5.5.290.0070.06020.87
5.5.280.0170.07320.82
5.5.270.0170.07320.88
5.5.260.0070.08020.80
5.5.250.0030.08320.77
5.5.240.0000.07320.31
5.5.230.0100.07320.08
5.5.220.0070.07720.19
5.5.210.0030.07720.39
5.5.200.0170.07320.26
5.5.190.0100.07720.26
5.5.180.0130.07320.16
5.5.160.0170.06720.20
5.5.150.0030.06020.34
5.5.140.0030.08020.09
5.5.130.0070.08020.05
5.5.120.0030.04720.37
5.5.110.0130.06320.23
5.5.100.0070.08020.06
5.5.90.0100.07720.23
5.5.80.0030.08020.09
5.5.70.0070.08020.14
5.5.60.0070.07320.04
5.5.50.0070.06720.21
5.5.40.0100.07320.22
5.5.30.0130.06020.13
5.5.20.0000.07720.10
5.5.10.0030.08320.24
5.5.00.0030.04020.16
5.4.450.0130.04319.52
5.4.440.0030.08719.31
5.4.430.0070.07019.41
5.4.420.0070.04019.49
5.4.410.0100.06719.34
5.4.400.0070.05718.96
5.4.390.0030.08019.02
5.4.380.0070.07719.00
5.4.370.0030.07719.03
5.4.360.0100.08318.99
5.4.350.0170.06319.09
5.4.340.0000.08019.31
5.4.320.0070.08019.03
5.4.310.0070.07019.03
5.4.300.0100.06319.00
5.4.290.0000.07719.18
5.4.280.0070.07019.34
5.4.270.0030.07718.98
5.4.260.0070.06719.22
5.4.250.0230.05719.13
5.4.240.0170.03719.01
5.4.230.0030.08019.19
5.4.220.0070.06018.96
5.4.210.0070.06319.00
5.4.200.0170.06019.21
5.4.190.0070.07318.99
5.4.180.0070.07319.17
5.4.170.0100.04718.99
5.4.160.0000.04319.22
5.4.150.0100.06719.00
5.4.140.0000.04016.63
5.4.130.0030.03716.34
5.4.120.0070.03316.35
5.4.110.0000.04016.54
5.4.100.0030.05016.50
5.4.90.0030.04016.57
5.4.80.0030.03316.24
5.4.70.0070.03016.53
5.4.60.0030.03316.50
5.4.50.0000.03716.57
5.4.40.0030.05316.36
5.4.30.0070.03016.28
5.4.20.0030.03316.40
5.4.10.0100.04316.51
5.4.00.0070.03015.77
5.3.290.0070.04714.70
5.3.280.0100.07314.59
5.3.270.0100.05714.57
5.3.260.0170.05014.75
5.3.250.0070.06014.61
5.3.240.0070.03314.73
5.3.230.0130.03014.62
5.3.220.0030.03714.64
5.3.210.0070.03314.64
5.3.200.0070.03314.59
5.3.190.0070.03314.79
5.3.180.0100.03314.60
5.3.170.0100.03014.57
5.3.160.0000.04014.55
5.3.150.0100.03014.54
5.3.140.0070.03314.69
5.3.130.0030.03714.53
5.3.120.0030.04014.54
5.3.110.0030.03714.41
5.3.100.0030.07714.00
5.3.90.0000.04014.14
5.3.80.0000.04014.03
5.3.70.0030.03714.25
5.3.60.0000.04013.99
5.3.50.0030.04313.96
5.3.40.0100.05314.02
5.3.30.0030.03313.92
5.3.20.0070.05313.65
5.3.10.0030.07313.80
5.3.00.0070.06013.65
5.2.170.0070.03011.97
5.2.160.0070.06011.97
5.2.150.0030.03711.97
5.2.140.0000.03311.97
5.2.130.0000.03011.97
5.2.120.0000.06311.97
5.2.110.0100.05311.97
5.2.100.0030.02711.97
5.2.90.0000.04311.97
5.2.80.0030.05011.97
5.2.70.0030.04011.97
5.2.60.0100.04011.97
5.2.50.0030.02711.97
5.2.40.0030.02711.97
5.2.30.0070.02311.97
5.2.20.0030.03311.97
5.2.10.0030.06311.97
5.2.00.0000.03011.97
5.1.60.0070.02011.97
5.1.50.0070.02711.97
5.1.40.0000.02711.97
5.1.30.0000.02711.97
5.1.20.0030.03311.97
5.1.10.0000.02711.97
5.1.00.0030.03011.97
5.0.50.0000.02311.97
5.0.40.0000.03311.97
5.0.30.0030.05311.97
5.0.20.0030.02311.97
5.0.10.0000.02011.97
5.0.00.0030.03011.97
4.4.90.0000.01711.97
4.4.80.0070.01711.97
4.4.70.0030.01311.97
4.4.60.0000.01711.97
4.4.50.0030.01311.97
4.4.40.0000.02311.97
4.4.30.0000.02011.97
4.4.20.0000.02011.97
4.4.10.0030.02011.97
4.4.00.0070.02011.97
4.3.110.0000.01711.97
4.3.100.0070.01011.97
4.3.90.0070.01711.97
4.3.80.0000.02711.97
4.3.70.0070.01011.97
4.3.60.0000.01711.97
4.3.50.0000.01711.97
4.3.40.0000.02311.97
4.3.30.0030.02711.97
4.3.20.0070.01311.97
4.3.10.0000.02011.97
4.3.00.0000.02711.97

preferences:
50.23 ms | 401 KiB | 5 Q