3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 []= 'wello'; $var2 = 'woodbye wruel world'; $var3 = pack("C*", 0x77, 0x32 + 0x33, 0x6c, 0x6e-2, 0x6f); echo "var3 = $var3"; var_dump($var3); 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)
8.3.60.0100.00716.75
8.3.50.0100.01222.88
8.3.40.0120.00618.96
8.3.30.0090.00618.95
8.3.20.0030.00620.30
8.3.10.0030.00623.64
8.3.00.0050.00319.51
8.2.180.0090.01216.38
8.2.170.0140.00022.96
8.2.160.0170.00022.32
8.2.150.0030.00524.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0040.00421.02
8.2.110.0030.00620.57
8.2.100.0040.00718.16
8.2.90.0000.00819.20
8.2.80.0060.00317.97
8.2.70.0050.00317.63
8.2.60.0040.00418.05
8.2.50.0090.00018.07
8.2.40.0040.00418.22
8.2.30.0080.00018.13
8.2.20.0000.00817.79
8.2.10.0050.00218.13
8.2.00.0050.00317.81
8.1.280.0040.01525.92
8.1.270.0030.00623.96
8.1.260.0000.00726.35
8.1.250.0000.00728.09
8.1.240.0030.00622.23
8.1.230.0100.00019.16
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0040.00417.23
8.1.190.0030.00717.23
8.1.180.0000.00818.10
8.1.170.0030.00618.51
8.1.160.0040.00421.99
8.1.150.0000.00718.83
8.1.140.0000.00717.47
8.1.130.0000.00717.79
8.1.120.0040.00417.47
8.1.110.0000.00817.36
8.1.100.0000.00717.48
8.1.90.0020.00517.49
8.1.80.0030.00517.54
8.1.70.0030.00317.44
8.1.60.0080.00017.52
8.1.50.0080.00017.59
8.1.40.0040.00417.45
8.1.30.0040.00417.55
8.1.20.0070.00017.70
8.1.10.0000.00817.48
8.1.00.0000.00817.53
8.0.300.0000.00818.77
8.0.290.0000.00816.75
8.0.280.0070.00018.38
8.0.270.0030.00317.29
8.0.260.0000.00617.18
8.0.250.0030.00316.98
8.0.240.0040.00417.05
8.0.230.0000.00717.01
8.0.220.0000.00716.89
8.0.210.0000.00916.96
8.0.200.0000.00817.03
8.0.190.0040.00417.02
8.0.180.0040.00416.99
8.0.170.0050.00316.99
8.0.160.0040.00416.99
8.0.150.0040.00316.81
8.0.140.0040.00416.92
8.0.130.0030.00313.39
8.0.120.0030.00616.92
8.0.110.0000.00717.04
8.0.100.0040.00416.99
8.0.90.0070.00017.02
8.0.80.0080.00817.00
8.0.70.0000.00717.00
8.0.60.0040.00417.04
8.0.50.0040.00416.99
8.0.30.0070.01317.03
8.0.20.0090.00917.44
8.0.10.0050.00316.95
8.0.00.0080.01016.91
7.4.330.0000.00515.08
7.4.320.0030.00316.52
7.4.300.0000.00616.52
7.4.290.0030.00316.50
7.4.280.0090.00016.54
7.4.270.0030.00316.58
7.4.260.0070.00016.60
7.4.250.0000.00716.50
7.4.240.0050.00316.49
7.4.230.0040.00316.61
7.4.220.0070.01016.63
7.4.210.0030.01616.65
7.4.200.0050.00216.37
7.4.160.0080.00816.48
7.4.150.0130.00617.40
7.4.140.0090.00917.86
7.4.130.0070.01016.66
7.4.120.0030.01316.57
7.4.110.0090.00616.62
7.4.100.0040.01416.45
7.4.90.0080.01116.49
7.4.80.0090.00619.39
7.4.70.0120.01216.57
7.4.60.0070.01016.39
7.4.50.0040.00416.45
7.4.40.0180.00016.78
7.4.30.0100.00616.55
7.4.10.0130.00315.20
7.4.00.0070.01014.89
7.3.330.0000.00613.51
7.3.320.0000.00713.32
7.3.310.0030.00316.51
7.3.300.0030.00316.46
7.3.290.0060.00916.50
7.3.280.0090.01116.40
7.3.270.0090.00917.40
7.3.260.0140.00716.63
7.3.250.0090.01016.52
7.3.240.0140.00716.59
7.3.230.0130.01016.45
7.3.210.0110.01116.64
7.3.200.0070.01019.39
7.3.190.0040.01516.66
7.3.180.0060.00916.52
7.3.170.0160.00616.57
7.3.160.0090.00616.55
7.3.130.0070.01014.85
7.3.120.0100.00714.93
7.3.110.0060.01214.94
7.3.100.0070.00714.63
7.3.90.0130.00315.00
7.3.80.0080.00014.76
7.3.70.0030.00514.63
7.3.60.0080.00415.05
7.3.50.0040.00814.71
7.3.40.0000.01014.77
7.3.30.0060.01014.86
7.3.20.0040.00916.53
7.3.10.0070.00716.76
7.3.00.0080.00816.52
7.2.330.0070.01116.77
7.2.320.0030.01316.52
7.2.310.0130.00616.83
7.2.300.0110.00516.69
7.2.290.0030.01316.82
7.2.260.0100.00714.68
7.2.250.0030.01415.09
7.2.240.0030.01015.27
7.2.230.0090.00615.25
7.2.220.0030.01015.05
7.2.210.0100.00714.78
7.2.200.0090.00315.02
7.2.190.0030.01015.18
7.2.180.0090.00615.11
7.2.170.0070.00715.16
7.2.160.0070.00715.20
7.2.150.0120.00416.84
7.2.140.0130.00017.18
7.2.130.0080.01016.96
7.2.120.0080.00616.77
7.2.110.0060.00516.97
7.2.100.0060.00816.83
7.2.90.0020.00817.09
7.2.80.0020.01216.95
7.2.70.0050.00916.87
7.2.60.0020.01016.85
7.2.50.0080.00616.85
7.2.40.0080.00516.92
7.2.30.0080.00617.07
7.2.20.0090.00516.81
7.2.10.0050.00817.01
7.2.00.0090.00817.75
7.1.330.0070.00715.53
7.1.320.0060.00315.54
7.1.310.0030.01015.45
7.1.300.0030.00615.94
7.1.290.0030.01015.59
7.1.280.0070.00715.78
7.1.270.0080.00315.55
7.1.260.0090.00615.90
7.1.250.0040.00815.69
7.1.240.0030.01015.87
7.1.230.0080.00515.61
7.1.220.0030.00915.50
7.1.210.0060.00615.93
7.1.200.0060.01015.93
7.1.190.0060.00615.64
7.1.180.0030.00615.94
7.1.170.0100.00315.75
7.1.160.0080.00615.77
7.1.150.0040.00715.79
7.1.140.0040.00615.89
7.1.130.0060.00515.93
7.1.120.0010.00915.86
7.1.110.0020.01015.86
7.1.100.0100.00716.40
7.1.90.0040.00715.88
7.1.80.0060.00815.80
7.1.70.0080.00416.36
7.1.60.0050.01316.95
7.1.50.0070.00816.19
7.1.40.0050.00815.67
7.1.30.0050.00515.73
7.1.20.0040.00715.85
7.1.10.0090.00815.65
7.1.00.0020.03317.95
7.0.330.0050.00715.33
7.0.320.0080.00315.48
7.0.310.0090.00315.45
7.0.300.0030.00815.40
7.0.290.0040.00815.50
7.0.280.0010.01115.40
7.0.270.0000.01215.45
7.0.260.0040.00515.41
7.0.250.0050.00615.42
7.0.240.0040.00915.39
7.0.230.0030.00715.56
7.0.220.0070.00815.45
7.0.210.0100.00615.45
7.0.200.0070.00415.85
7.0.190.0030.00915.53
7.0.180.0030.01015.33
7.0.170.0020.01015.48
7.0.160.0050.00715.47
7.0.150.0080.00315.41
7.0.140.0090.02417.68
7.0.130.0030.01115.58
7.0.120.0020.01215.49
7.0.110.0040.00915.35
7.0.100.0070.00515.34
7.0.90.0030.00715.16
7.0.80.0110.00415.38
7.0.70.0050.00515.37
7.0.60.0080.03116.96
7.0.50.0090.01616.14
7.0.40.0050.02715.63
7.0.30.0170.02815.79
7.0.20.0090.02215.63
7.0.10.0040.02415.73
7.0.00.0030.02915.71
5.6.400.0060.01014.57
5.6.390.0060.00314.78
5.6.380.0060.00814.79
5.6.370.0050.00514.39
5.6.360.0030.00914.54
5.6.350.0020.01014.66
5.6.340.0030.01014.73
5.6.330.0030.01014.55
5.6.320.0060.00714.36
5.6.310.0060.00614.73
5.6.300.0030.01014.54
5.6.290.0070.00714.70
5.6.280.0060.02616.68
5.6.270.0000.00914.43
5.6.260.0100.00314.35
5.6.250.0110.00514.33
5.6.240.0030.00714.53
5.6.230.0080.00614.40
5.6.220.0120.00514.38
5.6.210.0060.03216.31
5.6.200.0050.03215.68
5.6.190.0090.02916.52
5.6.180.0160.01716.47
5.6.170.0120.03216.68
5.6.160.0040.02016.47
5.6.150.0030.02415.71
5.6.140.0040.02215.73
5.6.130.0080.03115.77
5.6.120.0060.03116.47
5.6.110.0050.03416.68
5.6.100.0050.01916.62
5.6.90.0100.03216.60
5.6.80.0100.02816.36
5.6.70.1020.01816.54
5.6.60.0040.01114.55
5.6.50.0070.00714.11
5.6.40.0100.00414.38
5.6.30.0050.00514.65
5.6.20.0070.00414.31
5.6.10.0120.00414.24
5.6.00.0080.00514.55
5.5.380.0080.00412.87
5.5.370.0030.01012.77
5.5.360.0070.00212.86
5.5.350.0080.02915.27
5.5.340.0020.02014.52
5.5.330.0050.01715.44
5.5.320.0090.01915.25
5.5.310.0120.01315.28
5.5.300.0050.02514.46
5.5.290.0060.01714.53
5.5.280.0080.02515.58
5.5.270.0070.01315.58
5.5.260.0030.03815.40
5.5.250.0060.01715.39
5.5.240.0120.02715.25
5.5.230.0050.00712.68
5.5.220.0030.01112.85
5.5.210.0070.00712.76
5.5.200.0090.00212.75
5.5.190.0070.00512.65
5.5.180.0050.00712.67
5.5.170.0020.00812.67
5.5.160.0050.00712.75
5.5.150.0060.00512.63
5.5.140.0050.00712.76
5.5.130.0030.01112.95
5.5.120.0070.00512.72
5.5.110.0020.00812.80
5.5.100.0050.00712.68
5.5.90.0040.00812.87
5.5.80.0070.00612.81
5.5.70.0060.00513.00
5.5.60.0020.00812.83
5.5.50.0050.00912.59
5.5.40.0050.00812.73
5.5.30.0050.00712.66
5.5.20.0040.00712.89
5.5.10.0070.00712.90
5.5.00.0020.00912.57
5.4.450.0280.01314.49
5.4.440.0090.02014.42
5.4.430.0070.01814.32
5.4.420.0110.01014.47
5.4.410.0080.01214.29
5.4.400.0070.01514.45
5.4.390.0030.02014.34
5.4.380.0180.02214.18
5.4.370.0150.01914.17
5.4.360.0100.02414.04
5.4.350.0130.02214.06
5.4.340.0040.02814.21
5.4.330.0040.00411.92
5.4.320.0060.01712.13
5.4.310.0040.01812.22
5.4.300.0060.01512.12
5.4.290.0020.01612.09
5.4.280.0050.01611.97
5.4.270.0040.01612.06
5.4.260.0050.01612.10
5.4.250.0030.01912.17
5.4.240.0060.01412.06
5.4.230.0030.01811.99
5.4.220.0070.01512.06
5.4.210.0070.01512.05
5.4.200.0080.01512.08
5.4.190.0080.01311.98
5.4.180.0060.01512.10
5.4.170.0050.01512.14
5.4.160.0070.01612.09
5.4.150.0040.01812.00
5.4.140.0030.01811.91
5.4.130.0060.01812.05
5.4.120.0070.01411.94
5.4.110.0070.01511.90
5.4.100.0030.01811.97
5.4.90.0060.01811.99
5.4.80.0050.01711.89
5.4.70.0030.01712.00
5.4.60.0060.01311.99
5.4.50.0080.01412.00
5.4.40.0030.01711.99
5.4.30.0050.01611.95
5.4.20.0040.01811.85
5.4.10.0050.01511.91
5.4.00.0080.01811.82
5.3.290.0080.02011.62
5.3.280.0060.02411.68
5.3.270.0050.02311.58
5.3.260.0070.01911.71
5.3.250.0040.02211.70
5.3.240.0080.02011.61
5.3.230.0060.02011.73
5.3.220.0050.02211.61
5.3.210.0070.02111.63
5.3.200.0070.01911.62
5.3.190.0040.02111.63
5.3.180.0060.01911.56
5.3.170.0040.02211.69
5.3.160.0030.02111.71
5.3.150.0060.01911.73
5.3.140.0020.02211.73
5.3.130.0050.02211.55
5.3.120.0030.02311.68
5.3.110.0080.01911.66
5.3.100.0060.02211.28
5.3.90.0060.01911.44
5.3.80.0070.01811.29
5.3.70.0030.02011.31
5.3.60.0070.01911.36
5.3.50.0020.02311.31
5.3.40.0060.02411.22
5.3.30.0040.02211.23
5.3.20.0050.01911.14
5.3.10.0050.01811.06
5.3.00.0050.02211.04
5.2.170.0030.0199.44
5.2.160.0040.0179.40
5.2.150.0090.0159.45
5.2.140.0040.0179.39
5.2.130.0050.0179.40
5.2.120.0070.0189.35
5.2.110.0040.0189.36
5.2.100.0060.0169.36
5.2.90.0040.0189.31
5.2.80.0040.0199.29
5.2.70.0070.0169.29
5.2.60.0070.0189.23
5.2.50.0040.0179.32
5.2.40.0020.0199.27
5.2.30.0060.0159.24
5.2.20.0020.0199.04
5.2.10.0050.0159.11
5.2.00.0040.0169.01
5.1.60.0020.0178.30
5.1.50.0030.0158.34
5.1.40.0040.0158.27
5.1.30.0020.0178.53
5.1.20.0050.0148.54
5.1.10.0050.0148.43
5.1.00.0050.0128.39
5.0.50.0020.0137.14
5.0.40.0030.0126.98
5.0.30.0010.0196.88
5.0.20.0030.0116.86
5.0.10.0070.0096.79
5.0.00.0020.0186.70
4.4.90.0020.0115.86
4.4.80.0030.0095.85
4.4.70.0050.0065.85
4.4.60.0030.0085.85
4.4.50.0040.0125.86
4.4.40.0060.0185.83
4.4.30.0040.0115.85
4.4.20.0020.0135.90
4.4.10.0020.0105.90
4.4.00.0030.0165.85
4.3.110.0030.0095.81
4.3.100.0030.0115.81
4.3.90.0020.0105.79
4.3.80.0010.0155.76
4.3.70.0040.0075.79
4.3.60.0040.0075.79
4.3.50.0040.0085.79
4.3.40.0040.0155.74
4.3.30.0010.0105.13
4.3.20.0040.0095.12
4.3.10.0010.0115.10
4.3.00.0020.01012.59

preferences:
41.46 ms | 401 KiB | 5 Q