3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Form { private $_formData; public function bind1(&$row) { $this->_formData = $row; // this change member outside $row['full_name'] = $row['first_name'] . ' ' . $row['last_name']; } public function bind2(&$row) { $this->_formData = $row; // this will not change memeber $this->_formData['full_name'] = $this->_formData['first_name'] . ' ' . $this->_formData['last_name']; } } $member = array('fullName' => null, 'first_name'=>'Fn', 'last_name' => 'Ln'); $form = new Form(); $form->bind1($member); var_dump($member['fullName']); // output: 'FnLn' $form->bind2($member); var_dump($member['fullName']); // output: ''

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)
8.3.60.0040.01218.68
8.3.50.0070.01121.09
8.3.40.0120.00318.67
8.3.30.0110.00319.14
8.3.20.0040.00420.38
8.3.10.0040.00423.63
8.3.00.0080.00019.38
8.2.180.0070.00716.63
8.2.170.0040.01122.96
8.2.160.0100.00320.29
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0070.01026.16
8.2.120.0040.00422.05
8.2.110.0080.00421.01
8.2.100.0090.00317.78
8.2.90.0000.00817.90
8.2.80.0060.00317.97
8.2.70.0090.00017.63
8.2.60.0100.00017.80
8.2.50.0130.00018.07
8.2.40.0050.00317.96
8.2.30.0040.00417.94
8.2.20.0040.00417.69
8.2.10.0080.00018.14
8.2.00.0050.00317.59
8.1.280.0070.00725.92
8.1.270.0050.00322.20
8.1.260.0050.00526.35
8.1.250.0040.00428.09
8.1.240.0060.00322.53
8.1.230.0110.00020.84
8.1.220.0080.00017.74
8.1.210.0080.00418.77
8.1.200.0030.00617.25
8.1.190.0060.00317.22
8.1.180.0030.00518.10
8.1.170.0050.00318.72
8.1.160.0000.00721.93
8.1.150.0000.00918.94
8.1.140.0000.00717.44
8.1.130.0030.00317.89
8.1.120.0040.00317.51
8.1.110.0040.00417.35
8.1.100.0040.00417.34
8.1.90.0040.00417.45
8.1.80.0040.00417.48
8.1.70.0030.00317.34
8.1.60.0060.00317.58
8.1.50.0060.00317.54
8.1.40.0030.00617.59
8.1.30.0000.00817.72
8.1.20.0060.00317.53
8.1.10.0030.00517.39
8.1.00.0040.00417.34
8.0.300.0030.00619.90
8.0.290.0000.00716.75
8.0.280.0030.00318.51
8.0.270.0000.00717.32
8.0.260.0040.00417.17
8.0.250.0070.00016.97
8.0.240.0030.00617.02
8.0.230.0080.00016.91
8.0.220.0000.00716.83
8.0.210.0000.00716.84
8.0.200.0050.00216.95
8.0.190.0060.00316.93
8.0.180.0040.00416.80
8.0.170.0030.00516.92
8.0.160.0050.00216.96
8.0.150.0040.00416.79
8.0.140.0080.00016.84
8.0.130.0000.00513.28
8.0.120.0040.00416.70
8.0.110.0000.00816.87
8.0.100.0040.00416.80
8.0.90.0050.00216.84
8.0.80.0030.01316.78
8.0.70.0100.00016.85
8.0.60.0030.00516.87
8.0.50.0040.00416.84
8.0.30.0100.00916.85
8.0.20.0070.01117.40
8.0.10.0090.00016.75
8.0.00.0110.00716.62
7.4.330.0050.00015.00
7.4.320.0080.00016.60
7.4.300.0030.00516.48
7.4.290.0030.00316.41
7.4.280.0000.00916.64
7.4.270.0000.00616.53
7.4.260.0040.00416.56
7.4.250.0000.00716.50
7.4.240.0070.00016.58
7.4.230.0030.00316.41
7.4.220.0120.00616.50
7.4.210.0030.01116.68
7.4.200.0000.00716.67
7.4.160.0040.01116.42
7.4.150.0120.00617.40
7.4.140.0060.01317.86
7.4.130.0100.00716.36
7.4.120.0090.00816.52
7.4.110.0070.01116.50
7.4.100.0120.01316.42
7.4.90.0030.01316.50
7.4.80.0120.00419.39
7.4.70.0110.00616.52
7.4.60.0060.00916.52
7.4.50.0000.00816.16
7.4.40.0140.00316.54
7.4.30.0090.00916.47
7.4.00.0070.01014.76
7.3.330.0050.00013.44
7.3.320.0050.00013.30
7.3.310.0000.00716.42
7.3.300.0040.00416.33
7.3.290.0120.00816.33
7.3.280.0080.01116.33
7.3.270.0110.00617.40
7.3.260.0130.00316.36
7.3.250.0080.01116.36
7.3.240.0130.01016.34
7.3.230.0080.00916.55
7.3.210.0120.00616.28
7.3.200.0100.01019.39
7.3.190.0060.01116.67
7.3.180.0100.00716.51
7.3.170.0120.00316.46
7.3.160.0120.00916.39
7.2.330.0110.00616.43
7.2.320.0000.01716.29
7.2.310.0130.00316.28
7.2.300.0170.00016.40
7.2.290.0090.00916.32
7.2.60.0030.01016.78
7.2.00.0040.01219.35
7.1.200.0070.00215.80
7.1.100.0040.01118.09
7.1.70.0070.00317.21
7.1.60.0040.00716.96
7.1.50.0070.01316.67
7.1.00.0030.07722.45
7.0.200.0080.01616.89
7.0.140.0030.07322.07
7.0.60.0130.07319.95
7.0.50.0100.06317.91
7.0.40.0030.08020.20
7.0.30.0270.05020.26
7.0.20.0200.05320.30
7.0.10.0070.08320.33
7.0.00.0170.07020.08
5.6.280.0070.07021.05
5.6.210.0130.06020.49
5.6.200.0130.04318.20
5.6.190.0030.05720.49
5.6.180.0330.07020.41
5.6.170.0130.05020.48
5.6.160.0030.04020.39
5.6.150.0100.07718.14
5.6.140.0030.04718.30
5.6.130.0130.04018.11
5.6.120.0100.07020.81
5.6.110.0030.05321.11
5.6.100.0000.04320.89
5.6.90.0070.08021.13
5.6.80.0100.07720.52
5.5.350.0100.08020.43
5.5.340.0070.06018.05
5.5.330.0100.04320.13
5.5.320.0330.08020.28
5.5.310.0270.03320.34
5.5.300.0000.07717.96
5.5.290.0070.03717.93
5.5.280.0070.08320.99
5.5.270.0070.07720.72
5.5.260.0170.07320.87
5.5.250.0000.07320.70
5.5.240.0330.06720.19
5.4.450.0730.06719.40
5.4.440.0830.05719.57
5.4.430.0730.05719.34
5.4.420.0630.00019.38
5.4.410.0630.00019.28
5.4.400.0730.00019.25
5.4.390.0630.00019.03
5.4.380.0700.00019.21
5.4.370.0770.00019.13
5.4.360.0600.00019.07
5.4.350.0870.00019.07
5.4.340.0050.04212.02
5.4.320.0090.05012.50
5.4.310.0090.05212.50
5.4.300.0070.05112.50
5.4.290.0070.04312.50
5.4.280.0060.03812.40
5.4.270.0070.03512.40
5.4.260.0060.03912.40
5.4.250.0100.05312.40
5.4.240.0050.05512.39
5.4.230.0110.04312.39
5.4.220.0070.03712.39
5.4.210.0030.03912.39
5.4.200.0060.03912.39
5.4.190.0050.03812.39
5.4.180.0050.04512.39
5.4.170.0080.04712.40
5.4.160.0060.04012.39
5.4.150.0070.04112.39
5.4.140.0070.04812.08
5.4.130.0070.03812.06
5.4.120.0090.03312.02
5.4.110.0030.04512.02
5.4.100.0070.03912.02
5.4.90.0080.04212.02
5.4.80.0050.04412.01
5.4.70.0080.03512.01
5.4.60.0070.03412.01
5.4.50.0060.03512.01
5.4.40.0040.04012.00
5.4.30.0030.04112.00
5.4.20.0050.04212.00
5.4.10.0050.04012.00
5.4.00.0070.04111.49
5.3.290.0070.04212.80
5.3.280.0100.03812.70
5.3.270.0090.05912.72
5.3.260.0090.04512.72
5.3.250.0090.03712.72
5.3.240.0070.04412.72
5.3.230.0040.04112.70
5.3.220.0070.03712.68
5.3.210.0140.03512.68
5.3.200.0110.04412.68
5.3.190.0110.04412.68
5.3.180.0080.03812.67
5.3.170.0070.04612.67
5.3.160.0080.03612.67
5.3.150.0050.03812.67
5.3.140.0050.03612.66
5.3.130.0050.03912.66
5.3.120.0060.03912.66
5.3.110.0100.03612.66
5.3.100.0070.03712.12
5.3.90.0050.03812.11
5.3.80.0040.03812.10
5.3.70.0070.03612.09
5.3.60.0050.03812.09
5.3.50.0070.04412.03
5.3.40.0040.05412.03
5.3.30.0050.05211.99
5.3.20.0090.03211.77
5.3.10.0080.03211.73
5.3.00.0090.03311.72
5.2.170.0060.0339.23
5.2.160.0070.0339.23
5.2.150.0070.0349.22
5.2.140.0080.0289.22
5.2.130.0030.0329.18
5.2.120.0080.0259.18
5.2.110.0040.0309.19
5.2.100.0020.0319.18
5.2.90.0030.0309.18
5.2.80.0080.0279.18
5.2.70.0060.0299.18
5.2.60.0060.0289.13
5.2.50.0030.0329.10
5.2.40.0050.0289.07
5.2.30.0040.0319.06
5.2.20.0040.0319.04
5.2.10.0020.0328.95
5.2.00.0060.0278.82
5.1.60.0060.0228.09
5.1.50.0040.0258.09
5.1.40.0060.0228.07
5.1.30.0050.0268.42
5.1.20.0030.0278.44
5.1.10.0030.0278.17
5.1.00.0050.0348.17
5.0.50.0040.0206.65
5.0.40.0010.0216.51
5.0.30.0020.0326.32
5.0.20.0030.0206.29
5.0.10.0020.0216.27
5.0.00.0030.0316.26
4.4.90.0030.0174.78
4.4.80.0020.0184.76
4.4.70.0030.0164.76
4.4.60.0030.0154.75
4.4.50.0030.0154.77
4.4.40.0020.0264.71
4.4.30.0010.0174.76
4.4.20.0030.0164.84
4.4.10.0050.0134.85
4.4.00.0030.0264.76
4.3.110.0020.0164.67
4.3.100.0050.0194.67
4.3.90.0040.0164.63
4.3.80.0030.0244.58
4.3.70.0050.0194.63
4.3.60.0040.0174.63
4.3.50.0050.0214.63
4.3.40.0020.0274.54
4.3.30.0030.0153.30
4.3.20.0030.0213.28
4.3.10.0030.0153.23
4.3.00.0100.0237.58

preferences:
44.75 ms | 401 KiB | 5 Q