3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 []= 'wello'; $var2 = 'woodbye wruel world'; var_dump(poor_mans_strcmp('a', 'z')); var_dump(poor_mans_strcmp('q111f', 'fffff')); var_dump(poor_mans_strcmp($arr1, $var2)); var_dump(poor_mans_strcmp($arr1[0], $var2)); var_dump(poor_mans_strcmp($var2, $var2)); function poor_mans_strcmp($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)
8.3.60.0090.00618.80
8.3.50.0110.00622.90
8.3.40.0070.00718.91
8.3.30.0090.00619.04
8.3.20.0040.00420.31
8.3.10.0050.00523.53
8.3.00.0080.00019.50
8.2.180.0070.00716.50
8.2.170.0120.00622.96
8.2.160.0060.01020.43
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00421.10
8.2.110.0040.00719.30
8.2.100.0060.00617.91
8.2.90.0000.00719.30
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0080.00017.93
8.2.50.0040.00418.07
8.2.40.0040.00418.22
8.2.30.0090.00018.15
8.2.20.0040.00417.82
8.2.10.0030.00518.16
8.2.00.0040.00417.77
8.1.280.0140.00725.92
8.1.270.0050.00323.96
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0080.00423.71
8.1.230.0120.00020.89
8.1.220.0040.00417.76
8.1.210.0050.00318.77
8.1.200.0070.00317.23
8.1.190.0000.00817.35
8.1.180.0080.00018.10
8.1.170.0030.00518.74
8.1.160.0000.00721.96
8.1.150.0040.00418.84
8.1.140.0000.00817.35
8.1.130.0000.00717.82
8.1.120.0040.00417.55
8.1.110.0070.00017.50
8.1.100.0040.00417.53
8.1.90.0040.00417.53
8.1.80.0040.00417.40
8.1.70.0030.00317.42
8.1.60.0060.00317.61
8.1.50.0040.00417.45
8.1.40.0000.00817.44
8.1.30.0000.00817.65
8.1.20.0040.00417.63
8.1.10.0040.00417.51
8.1.00.0040.00417.55
8.0.300.0080.00018.77
8.0.290.0040.00416.75
8.0.280.0000.00818.54
8.0.270.0000.00716.92
8.0.260.0050.00317.28
8.0.250.0000.00716.96
8.0.240.0060.00317.07
8.0.230.0070.00017.08
8.0.220.0030.00316.97
8.0.210.0100.00016.88
8.0.200.0080.00016.99
8.0.190.0040.00416.87
8.0.180.0000.00716.98
8.0.170.0040.00416.88
8.0.160.0070.00016.95
8.0.150.0030.00416.81
8.0.140.0070.00016.98
8.0.130.0000.00613.37
8.0.120.0000.00816.93
8.0.110.0000.00717.02
8.0.100.0040.00416.76
8.0.90.0000.00716.99
8.0.80.0060.01016.97
8.0.70.0040.00417.09
8.0.60.0000.00716.88
8.0.50.0070.00016.85
8.0.30.0100.00917.22
8.0.20.0090.01017.40
8.0.10.0040.00416.95
8.0.00.0110.00916.75
7.4.330.0030.00315.15
7.4.320.0030.00316.43
7.4.300.0000.00616.67
7.4.290.0000.00716.68
7.4.280.0040.00416.58
7.4.270.0000.00716.64
7.4.260.0070.00016.51
7.4.250.0040.00416.57
7.4.240.0060.00216.66
7.4.230.0000.00716.44
7.4.220.0140.00416.43
7.4.210.0070.00716.66
7.4.200.0030.00316.73
7.4.160.0100.00716.63
7.4.150.0070.01217.40
7.4.140.0110.00817.86
7.4.130.0070.01316.56
7.4.120.0120.00516.61
7.4.110.0160.00016.74
7.4.100.0070.01116.54
7.4.90.0070.01016.49
7.4.80.0060.00919.39
7.4.70.0100.00616.64
7.4.60.0130.00316.57
7.4.50.0030.00316.59
7.4.40.0110.00716.74
7.4.30.0140.00316.40
7.4.00.0040.00915.24
7.3.330.0030.00313.29
7.3.320.0030.00313.31
7.3.310.0000.00716.48
7.3.300.0000.00716.51
7.3.290.0130.00716.48
7.3.280.0100.00716.47
7.3.270.0090.00917.40
7.3.260.0060.01216.69
7.3.250.0140.00616.55
7.3.240.0170.01016.67
7.3.230.0070.01316.56
7.3.210.0160.00316.58
7.3.200.0060.01019.39
7.3.190.0110.00716.61
7.3.180.0120.00416.52
7.3.170.0130.00316.50
7.3.160.0160.00016.59
7.2.330.0130.00416.79
7.2.320.0100.00716.63
7.2.310.0140.01216.46
7.2.300.0070.01016.49
7.2.290.0070.01016.31
7.2.00.0100.00619.40
7.1.100.0210.00417.98
7.1.70.0000.01617.35
7.1.60.0090.01619.46
7.1.50.0030.01716.84
7.1.00.0030.07322.48
7.0.200.0000.01016.58
7.0.140.0030.07022.07
7.0.110.0530.07019.84
7.0.100.0530.08719.86
7.0.90.0500.07020.04
7.0.80.0470.04319.80
7.0.70.0600.07019.80
7.0.60.0630.07019.86
7.0.50.0500.06320.51
7.0.40.0070.07720.28
7.0.30.0070.03720.05
7.0.20.0070.08320.28
7.0.10.0070.08320.18
7.0.00.0070.08720.01
5.6.260.0130.08320.68
5.6.250.0000.08720.60
5.6.240.0100.08020.51
5.6.230.0030.04320.65
5.6.220.0000.08320.59
5.6.210.0130.04020.67
5.6.200.0070.08021.27
5.6.190.0100.03320.96
5.6.180.0070.04721.08
5.6.170.0100.03320.99
5.6.160.0130.07021.10
5.6.150.0030.08021.15
5.6.140.0100.08020.99
5.6.130.0070.08321.09
5.6.120.0030.08720.92
5.6.110.0070.04721.13
5.6.100.0030.07721.14
5.6.90.0130.07321.09
5.6.80.0100.08020.50
5.6.70.0070.07020.32
5.6.60.0000.04020.31
5.6.50.0130.04720.34
5.6.40.0070.06320.64
5.6.30.0000.04320.41
5.6.20.0170.06320.63
5.6.10.0070.07720.49
5.6.00.0070.06720.28
5.5.380.0070.07320.23
5.5.370.0000.08020.52
5.5.360.0070.04020.35
5.5.350.0100.07720.40
5.5.340.0030.06320.96
5.5.330.0070.07020.89
5.5.320.0100.07720.82
5.5.310.0000.09020.99
5.5.300.0100.08020.81
5.5.290.0030.05020.84
5.5.280.0000.03720.96
5.5.270.0030.06720.95
5.5.260.0100.07020.78
5.5.250.0070.04020.63
5.5.240.0070.08020.34
5.5.230.0130.07720.18
5.5.220.0070.07720.15
5.5.210.0030.08020.27
5.5.200.0000.06720.15
5.5.190.0000.06320.30
5.5.180.0070.08020.39
5.5.160.0130.07720.32
5.5.150.0030.08020.05
5.5.140.0030.08020.29
5.5.130.0070.08020.34
5.5.120.0030.07320.10
5.5.110.0030.03720.25
5.5.100.0000.06320.20
5.5.90.0070.08020.08
5.5.80.0070.03320.00
5.5.70.0100.07320.16
5.5.60.0170.06320.13
5.5.50.0030.08020.13
5.5.40.0070.07020.04
5.5.30.0000.07720.13
5.5.20.0070.07719.96
5.5.10.0100.07019.95
5.5.00.0070.06320.00
5.4.450.0070.07319.42
5.4.440.0070.06019.36
5.4.430.0130.04019.41
5.4.420.0130.07319.32
5.4.410.0030.05319.21
5.4.400.0030.07319.04
5.4.390.0070.07019.17
5.4.380.0030.04719.06
5.4.370.0030.07719.18
5.4.360.0000.05719.01
5.4.350.0130.06319.01
5.4.340.0100.07019.18
5.4.320.0170.07319.34
5.4.310.0070.07019.02
5.4.300.0070.03719.33
5.4.290.0070.07719.01
5.4.280.0000.04019.23
5.4.270.0030.07019.20
5.4.260.0100.07319.19
5.4.250.0070.03719.01
5.4.240.0130.03019.23
5.4.230.0070.07018.95
5.4.220.0070.04319.13
5.4.210.0030.07319.03
5.4.200.0130.02719.30
5.4.190.0030.07019.17
5.4.180.0130.07319.21
5.4.170.0070.04718.94
5.4.160.0130.05318.97
5.4.150.0000.08019.12
5.4.140.0100.06716.50
5.4.130.0070.07016.32
5.4.120.0030.03716.29
5.4.110.0070.07016.54
5.4.100.0130.06716.51
5.4.90.0130.08316.59
5.4.80.0070.06716.64
5.4.70.0030.07716.39
5.4.60.0070.07316.39
5.4.50.0000.07716.34
5.4.40.0070.07016.34
5.4.30.0130.06716.44
5.4.20.0070.06716.61
5.4.10.0070.06316.38
5.4.00.0100.06315.93
5.3.290.0100.07014.80
5.3.280.0130.02714.65
5.3.270.0070.05314.84
5.3.260.0070.07714.64
5.3.250.0070.03714.56
5.3.240.0100.07014.71
5.3.230.0030.05714.82
5.3.220.0100.06714.57
5.3.210.0100.07314.61
5.3.200.0100.07314.60
5.3.190.0100.06714.58
5.3.180.0070.07314.67
5.3.170.0130.06314.59
5.3.160.0030.05314.60
5.3.150.0070.07314.59
5.3.140.0000.08014.58
5.3.130.0070.08014.58
5.3.120.0100.07014.57
5.3.110.0170.06714.52
5.3.100.0130.07314.03
5.3.90.0130.07714.02
5.3.80.0030.07713.87
5.3.70.0070.05014.10
5.3.60.0070.07014.06
5.3.50.0070.07713.98
5.3.40.0230.05313.98
5.3.30.0030.05014.05
5.3.20.0070.06713.71
5.3.10.0070.05013.66
5.3.00.0030.07313.64
5.2.170.0070.05312.28
5.2.160.0100.06012.28
5.2.150.0030.06312.28
5.2.140.0030.06712.28
5.2.130.0030.04712.28
5.2.120.0100.06012.28
5.2.110.0070.06312.28
5.2.100.0070.03312.28
5.2.90.0000.06712.28
5.2.80.0000.07012.28
5.2.70.0000.06012.28
5.2.60.0070.03312.28
5.2.50.0070.05012.28
5.2.40.0000.05312.28
5.2.30.0030.06012.28
5.2.20.0130.02712.28
5.2.10.0100.05312.28
5.2.00.0100.05712.28
5.1.60.0030.04712.28
5.1.50.0070.04312.28
5.1.40.0030.03312.28
5.1.30.0070.04712.28
5.1.20.0070.05012.28
5.1.10.0000.04312.28
5.1.00.0100.05012.28
5.0.50.0070.04312.28
5.0.40.0030.02312.28
5.0.30.0070.06012.28
5.0.20.0030.04012.28
5.0.10.0100.04012.28
5.0.00.0070.06012.28
4.4.90.0100.02712.28
4.4.80.0070.03012.28
4.4.70.0130.02712.28
4.4.60.0000.04012.28
4.4.50.0030.03012.28
4.4.40.0070.04712.28
4.4.30.0030.03312.28
4.4.20.0000.03712.28
4.4.10.0000.02712.28
4.4.00.0100.04712.28
4.3.110.0030.03712.28
4.3.100.0030.03012.28
4.3.90.0030.03312.28
4.3.80.0070.05012.28
4.3.70.0030.03312.28
4.3.60.0000.03712.28
4.3.50.0000.02012.28
4.3.40.0000.05712.28
4.3.30.0030.03312.28
4.3.20.0000.03712.28
4.3.10.0100.02712.28
4.3.00.0000.03712.28

preferences:
43.6 ms | 401 KiB | 5 Q