3v4l.org

run code in 300+ PHP versions simultaneously
<?php $formData = array(); echo 'empty($formData[chain_id]): '; var_dump(empty($formData['chain_id'])); echo "\n"; echo '$formData[chain_id] === \'0\': '; var_dump($formData['chain_id'] === '0'); echo "\n"; $formData['chain_id'] = 0; echo 'empty($formData[chain_id]): '; var_dump(empty($formData['chain_id'])); echo "\n"; echo '$formData[chain_id] === \'0\': '; var_dump($formData['chain_id'] === '0'); echo "\n"; $formData['chain_id'] = 1; echo 'empty($formData[chain_id]): '; var_dump(empty($formData['chain_id'])); echo "\n"; echo '$formData[chain_id] === \'0\': '; var_dump($formData['chain_id'] === '0'); echo "\n";

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)
8.3.60.0140.00018.55
8.3.50.0090.01021.94
8.3.40.0040.01118.79
8.3.30.0040.01119.25
8.3.20.0050.00320.34
8.3.10.0080.00021.95
8.3.00.0080.00022.43
8.2.180.0100.01016.88
8.2.170.0110.00422.96
8.2.160.0070.00720.88
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00417.63
8.2.110.0090.00022.25
8.2.100.0090.00317.97
8.2.90.0030.00519.22
8.2.80.0060.00318.03
8.2.70.0040.00417.63
8.2.60.0050.00317.80
8.2.50.0000.00818.07
8.2.40.0080.00018.16
8.2.30.0040.00418.06
8.2.20.0040.00417.81
8.2.10.0040.00417.75
8.2.00.0000.00717.65
8.1.280.0080.00825.92
8.1.270.0040.00423.84
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00723.83
8.1.230.0090.00319.16
8.1.220.0080.00017.78
8.1.210.0030.00518.77
8.1.200.0030.00617.23
8.1.190.0040.00417.43
8.1.180.0080.00018.10
8.1.170.0080.00018.50
8.1.160.0060.00321.96
8.1.150.0000.00718.62
8.1.140.0070.00017.37
8.1.130.0050.00217.82
8.1.120.0000.00717.47
8.1.110.0040.00417.28
8.1.100.0000.00817.30
8.1.90.0000.00717.36
8.1.80.0000.00717.31
8.1.70.0040.00417.42
8.1.60.0080.00017.56
8.1.50.0050.00217.55
8.1.40.0000.00917.32
8.1.30.0030.00517.48
8.1.20.0080.00017.52
8.1.10.0000.00717.45
8.1.00.0000.00917.37
8.0.300.0040.00418.77
8.0.290.0040.00417.17
8.0.280.0000.00818.43
8.0.270.0050.00317.25
8.0.260.0030.00716.80
8.0.250.0030.00316.93
8.0.240.0030.00316.90
8.0.230.0040.00416.86
8.0.220.0040.00416.92
8.0.210.0040.00416.84
8.0.200.0030.00316.97
8.0.190.0000.00716.97
8.0.180.0000.00916.87
8.0.170.0040.00416.78
8.0.160.0030.00516.77
8.0.150.0040.00416.79
8.0.140.0000.00816.75
8.0.130.0030.00313.36
8.0.120.0040.00416.86
8.0.110.0070.00016.85
8.0.100.0080.00016.91
8.0.90.0000.00717.00
8.0.80.0060.00916.81
8.0.70.0050.00316.80
8.0.60.0050.00216.96
8.0.50.0020.00516.72
8.0.30.0110.00816.96
8.0.20.0100.00917.40
8.0.10.0000.00716.90
8.0.00.0050.01316.64
7.4.330.0000.00515.00
7.4.320.0030.00316.51
7.4.300.0030.00616.42
7.4.290.0030.00316.49
7.4.280.0000.00816.41
7.4.270.0030.00316.49
7.4.260.0030.00316.48
7.4.250.0080.00016.36
7.4.240.0060.00216.54
7.4.230.0030.00316.59
7.4.220.0140.01016.57
7.4.210.0070.00816.63
7.4.200.0070.00016.30
7.4.190.0020.00516.40
7.4.160.0140.01016.34
7.4.150.0120.00417.40
7.4.140.0010.01617.86
7.4.130.0110.00816.53
7.4.120.0140.00316.55
7.4.110.0170.00316.44
7.4.100.0090.00916.66
7.4.90.0100.01016.51
7.4.80.0060.01116.36
7.4.70.0100.01016.50
7.4.60.0120.00416.38
7.4.50.0030.00616.60
7.4.40.0030.01122.77
7.4.30.0060.01016.49
7.4.00.0070.00714.87
7.3.330.0050.00013.24
7.3.320.0030.00313.25
7.3.310.0070.00016.52
7.3.300.0000.00716.36
7.3.290.0000.02016.36
7.3.280.0080.00816.40
7.3.270.0090.00917.40
7.3.260.0140.00416.33
7.3.250.0090.00916.36
7.3.240.0170.00016.35
7.3.230.0140.00616.39
7.3.210.0090.00916.27
7.3.200.0090.00919.39
7.3.190.0070.01716.29
7.3.180.0120.00316.55
7.3.170.0060.00916.34
7.3.160.0140.00316.58
7.3.120.0080.00814.71
7.3.110.0030.01614.73
7.3.100.0070.00414.83
7.3.90.0060.01314.63
7.3.80.0100.00314.52
7.3.70.0060.00914.75
7.3.60.0070.00314.48
7.3.50.0060.00314.91
7.3.40.0030.01014.82
7.3.30.0030.00614.86
7.3.20.0080.00416.44
7.3.10.0060.00616.60
7.3.00.0030.01316.55
7.2.330.0070.01016.75
7.2.320.0080.00916.89
7.2.310.0000.01916.66
7.2.300.0110.00716.36
7.2.290.0030.01316.86
7.2.250.0070.01315.09
7.2.240.0060.01314.90
7.2.230.0040.01115.23
7.2.220.0070.01015.26
7.2.210.0000.01515.12
7.2.200.0090.00615.26
7.2.190.0070.00715.16
7.2.180.0000.01415.01
7.2.170.0030.01215.09
7.2.00.0060.00619.50
7.1.330.0100.00315.53
7.1.320.0090.00915.67
7.1.310.0090.00015.78
7.1.300.0070.00715.66
7.1.290.0070.00715.75
7.1.280.0090.00615.79
7.1.270.0050.00515.95
7.1.260.0060.00615.78
7.1.100.0030.00918.12
7.1.70.0000.01017.26
7.1.60.0030.01019.82
7.1.50.0110.01116.88
7.1.00.0030.07322.35
7.0.200.0090.00316.82
7.0.140.0070.06721.95
7.0.110.0200.06720.05
7.0.100.0130.07719.94
7.0.90.0030.08320.06
7.0.80.0070.07720.00
7.0.70.0100.07720.08
7.0.60.0000.08719.64
7.0.50.0130.06720.50
7.0.40.0000.05720.25
7.0.30.0130.07320.20
7.0.20.0070.08720.11
7.0.10.0170.07020.21
7.0.00.0030.09320.16
5.6.280.0030.07320.86
5.6.260.0100.07020.59
5.6.250.0170.07720.73
5.6.240.0130.07720.67
5.6.230.0130.07320.68
5.6.220.0070.07720.54
5.6.210.0100.08020.68
5.6.200.0100.07721.06
5.6.190.0130.07021.27
5.6.180.0070.07721.26
5.6.170.0170.07721.21
5.6.160.0130.07720.98
5.6.150.0130.07320.94
5.6.140.0070.08320.95
5.6.130.0100.07721.26
5.6.120.0130.06021.09
5.6.110.0130.08321.13
5.6.100.0200.07020.93
5.6.90.0030.09021.26
5.6.80.0100.08020.47
5.6.70.0100.06720.36
5.6.60.0130.06720.31
5.6.50.0100.08020.31
5.6.40.0130.06020.30
5.6.30.0070.04020.50
5.6.20.0030.07020.55
5.6.10.0070.07720.57
5.6.00.0030.08320.45
5.5.380.0100.07320.53
5.5.370.0230.06720.28
5.5.360.0100.08320.24
5.5.350.0030.08320.50
5.5.340.0230.06720.90
5.5.330.0100.08020.90
5.5.320.0100.07320.84
5.5.310.0070.08020.96
5.5.300.0030.08720.94
5.5.290.0070.08020.94
5.5.280.0130.07720.94
5.5.270.0070.05320.89
5.5.260.0130.07720.94
5.5.250.0100.07720.62
5.5.240.0200.05320.35
5.5.230.0070.07320.27
5.5.220.0070.07720.07
5.5.210.0030.07020.16
5.5.200.0030.08320.15
5.5.190.0100.07720.09
5.5.180.0100.06720.23
5.5.160.0070.07320.13
5.5.150.0070.07320.15
5.5.140.0170.06320.04
5.5.130.0170.07020.04
5.5.120.0100.04720.16
5.5.110.0170.06320.29
5.5.100.0100.06720.02
5.5.90.0070.07720.04
5.5.80.0200.06320.09
5.5.70.0130.07020.01
5.5.60.0130.07320.04
5.5.50.0070.08020.13
5.5.40.0130.08020.15
5.5.30.0170.06320.14
5.5.20.0100.07020.05
5.5.10.0030.05320.05
5.5.00.0070.07320.02
5.4.450.0130.08019.45
5.4.440.0130.04319.27
5.4.430.0070.04719.49
5.4.420.0070.08319.33
5.4.410.0030.07719.13
5.4.400.0000.07719.09
5.4.390.0070.07719.03
5.4.380.0030.07718.93
5.4.370.0070.08018.95
5.4.360.0100.06319.18
5.4.350.0100.07719.01
5.4.340.0070.07719.00
5.4.320.0030.08019.00
5.4.310.0100.07718.95
5.4.300.0170.07319.17
5.4.290.0100.07719.10
5.4.280.0030.08319.12
5.4.270.0100.06018.93
5.4.260.0030.07019.16
5.4.250.0100.07019.17
5.4.240.0100.04319.09
5.4.230.0130.06719.24
5.4.220.0000.07718.97
5.4.210.0100.06719.20
5.4.200.0100.07019.11
5.4.190.0030.07319.26
5.4.180.0100.03319.01
5.4.170.0130.07319.12
5.4.160.0130.06318.97
5.4.150.0030.08019.01
5.4.140.0130.06716.49
5.4.130.0070.07016.22
5.4.120.0070.06716.22
5.4.110.0030.04716.48
5.4.100.0030.03716.38
5.4.90.0030.03716.40
5.4.80.0000.04016.27
5.4.70.0030.07016.32
5.4.60.0030.03716.48
5.4.50.0070.04316.46
5.4.40.0030.04316.39
5.4.30.0000.03716.26
5.4.20.0070.03016.35
5.4.10.0130.03016.46
5.4.00.0030.03715.78
5.3.290.0070.08014.66
5.3.280.0070.08014.48
5.3.270.0130.07014.53
5.3.260.0070.07714.45
5.3.250.0030.08014.53
5.3.240.0070.07314.45
5.3.230.0070.07714.66
5.3.220.0100.06714.63
5.3.210.0070.04314.63
5.3.200.0000.04014.51
5.3.190.0100.04714.44
5.3.180.0130.06014.63
5.3.170.0000.04014.41
5.3.160.0070.05314.50
5.3.150.0030.05014.64
5.3.140.0070.03314.50
5.3.130.0030.03714.61
5.3.120.0100.05314.46
5.3.110.0030.03714.34
5.3.100.0070.04713.96
5.3.90.0030.05714.05
5.3.80.0070.05313.89
5.3.70.0000.04014.07
5.3.60.0030.03313.88
5.3.50.0000.05713.88
5.3.40.0070.04713.79
5.3.30.0000.04013.92
5.3.20.0030.03713.55
5.3.10.0070.03013.52
5.3.00.0000.03713.71
5.2.170.0000.03011.82
5.2.160.0100.02011.82
5.2.150.0030.03711.82
5.2.140.0000.03011.82
5.2.130.0000.03011.82
5.2.120.0000.03011.82
5.2.110.0000.04311.82
5.2.100.0030.04011.82
5.2.90.0030.02711.82
5.2.80.0000.03011.82
5.2.70.0030.03011.82
5.2.60.0000.03011.82
5.2.50.0000.03011.82
5.2.40.0000.03311.82
5.2.30.0100.02011.82
5.2.20.0070.03011.82
5.2.10.0030.03011.82
5.2.00.0000.03711.82
5.1.60.0030.02311.82
5.1.50.0000.03011.82
5.1.40.0030.02711.82
5.1.30.0000.02711.82
5.1.20.0070.02711.82
5.1.10.0030.02311.82
5.1.00.0030.02311.82
5.0.50.0000.03011.82
5.0.40.0030.01711.82
5.0.30.0030.02711.82
5.0.20.0030.02011.82
5.0.10.0030.01711.82
5.0.00.0030.04311.82
4.4.90.0000.01711.82
4.4.80.0000.01311.82
4.4.70.0000.01711.82
4.4.60.0000.01311.82
4.4.50.0000.02011.82
4.4.40.0000.02311.82
4.4.30.0000.02011.82
4.4.20.0030.02011.82
4.4.10.0030.01311.82
4.4.00.0000.02711.82
4.3.110.0030.01011.82
4.3.100.0030.02711.82
4.3.90.0000.02011.82
4.3.80.0000.03311.82
4.3.70.0030.01711.82
4.3.60.0030.01311.82
4.3.50.0030.01711.82
4.3.40.0030.02011.82
4.3.30.0000.01311.82
4.3.20.0000.01711.82
4.3.10.0000.01711.82
4.3.00.0000.01311.82

preferences:
37.31 ms | 401 KiB | 5 Q