3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo '$formData = array();'; echo "\n"; $formData = array(); echo 'empty($formData[chain_id]): '; var_dump(empty($formData['chain_id'])); echo "\n"; echo '$formData[chain_id] === \'0\': '; var_dump($formData['chain_id'] === '0'); echo "\n"; echo "\n"; echo '$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($formData['chain_id'] === '0'); echo "\n"; echo "\n"; echo '$formData[\'chain_id\'] = 1;'; 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"; 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)
8.3.60.0140.00718.43
8.3.50.0090.01421.87
8.3.40.0120.00618.80
8.3.30.0120.00318.72
8.3.20.0080.00018.80
8.3.10.0040.00421.09
8.3.00.0000.00821.53
8.2.180.0110.00416.88
8.2.170.0070.00722.96
8.2.160.0040.01218.80
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.01426.16
8.2.120.0080.00021.13
8.2.110.0030.00620.42
8.2.100.0040.00817.91
8.2.90.0030.00619.25
8.2.80.0080.00018.16
8.2.70.0050.00817.59
8.2.60.0000.00818.03
8.2.50.0000.00818.07
8.2.40.0080.00018.34
8.2.30.0040.00421.14
8.2.20.0040.00417.72
8.2.10.0000.00817.63
8.2.00.0050.00517.63
8.1.280.0070.01425.92
8.1.270.0060.00324.66
8.1.260.0040.00426.35
8.1.250.0000.01128.09
8.1.240.0030.00722.55
8.1.230.0040.00820.97
8.1.220.0000.00818.77
8.1.210.0040.00418.83
8.1.200.0050.00517.35
8.1.190.0000.00817.53
8.1.180.0050.00318.10
8.1.170.0060.00318.37
8.1.160.0000.00718.74
8.1.150.0020.00518.55
8.1.140.0040.00417.41
8.1.130.0030.00317.77
8.1.120.0000.00817.41
8.1.110.0000.00817.45
8.1.100.0070.00017.39
8.1.90.0040.00417.30
8.1.80.0000.00717.36
8.1.70.0000.00817.39
8.1.60.0030.00617.52
8.1.50.0050.00317.45
8.1.40.0050.00217.46
8.1.30.0070.00017.52
8.1.20.0030.00517.48
8.1.10.0050.00217.52
8.1.00.0040.00717.40
8.0.300.0040.00419.90
8.0.290.0060.00317.05
8.0.280.0050.00218.56
8.0.270.0090.00017.17
8.0.260.0000.00716.87
8.0.250.0050.00216.98
8.0.240.0080.00016.96
8.0.230.0040.00416.86
8.0.220.0000.00816.92
8.0.210.0000.00716.94
8.0.200.0000.00816.98
8.0.190.0040.00416.95
8.0.180.0040.00416.89
8.0.170.0000.00716.89
8.0.160.0040.00416.86
8.0.150.0040.00416.88
8.0.140.0040.00416.81
8.0.130.0070.00013.38
8.0.120.0050.00316.84
8.0.110.0030.00416.69
8.0.100.0040.00416.93
8.0.90.0040.00416.76
8.0.80.0130.00616.93
8.0.70.0040.00416.81
8.0.60.0040.00416.93
8.0.50.0000.00816.96
8.0.30.0100.01217.26
8.0.20.0100.00817.40
8.0.10.0050.00317.14
8.0.00.0140.00816.75
7.4.330.0050.00014.76
7.4.320.0000.00616.62
7.4.300.0030.00316.52
7.4.290.0000.00716.52
7.4.280.0070.00016.50
7.4.270.0030.00316.53
7.4.260.0030.00313.28
7.4.250.0040.00416.43
7.4.240.0000.00716.58
7.4.230.0030.00316.35
7.4.220.0120.00416.46
7.4.210.0100.00516.56
7.4.200.0040.00416.63
7.4.190.0000.00716.47
7.4.160.0120.00316.61
7.4.150.0130.00617.40
7.4.140.0080.01417.86
7.4.130.0050.01316.73
7.4.120.0070.01016.53
7.4.110.0060.00916.79
7.4.100.0140.00316.52
7.4.90.0140.00916.38
7.4.80.0100.01219.39
7.4.70.0160.00916.56
7.4.60.0090.00916.48
7.4.50.0030.00316.60
7.4.40.0030.01122.52
7.4.30.0000.01716.45
7.4.00.0120.00314.93
7.3.330.0020.00213.30
7.3.320.0000.00513.30
7.3.310.0040.00416.46
7.3.300.0000.00716.42
7.3.290.0040.01116.41
7.3.280.0080.00716.42
7.3.270.0120.00417.40
7.3.260.0120.00818.24
7.3.250.0160.00716.41
7.3.240.0140.00316.50
7.3.230.0090.00616.45
7.3.210.0140.00916.43
7.3.200.0120.00919.39
7.3.190.0080.00816.39
7.3.180.0050.01416.23
7.3.170.0100.01016.57
7.3.160.0040.01216.33
7.3.120.0110.00314.90
7.2.330.0070.01116.81
7.2.320.0000.01716.70
7.2.310.0100.01016.55
7.2.300.0150.00616.83
7.2.290.0110.00516.59
7.2.60.0120.00016.72
7.2.00.0040.01119.50
7.1.200.0100.00315.61
7.1.100.0060.01017.87
7.1.70.0050.01516.94
7.1.60.0070.01819.40
7.1.50.0070.01716.71
7.1.00.0030.03322.35
7.0.200.0100.00016.89
7.0.140.0070.07021.95
7.0.70.0030.05321.82
7.0.60.0030.05321.79
7.0.50.0000.08722.09
7.0.40.0070.07720.18
7.0.30.0100.06720.07
7.0.20.0070.07020.04
7.0.10.0000.07320.16
7.0.00.0000.08320.06
5.6.280.0030.07321.05
5.6.220.0000.09020.61
5.6.210.0070.08320.55
5.6.200.0000.05720.95
5.6.190.0030.08320.91
5.6.180.0070.05020.94
5.6.170.0070.04720.98
5.6.160.0100.08021.02
5.6.150.0030.05720.94
5.6.140.0070.07321.03
5.6.130.0170.07721.05
5.6.120.0000.08721.07
5.6.110.0030.08020.93
5.6.100.0030.08020.98
5.6.90.0030.08320.97
5.6.80.0070.07320.49
5.6.70.0070.06320.44
5.6.60.0030.08320.36
5.6.50.0030.08020.46
5.6.40.0070.05720.30
5.6.30.0030.08020.39
5.6.20.0070.04720.49
5.6.10.0070.08020.46
5.6.00.0030.07020.36
5.5.360.0030.08720.38
5.5.350.0030.08720.42
5.5.340.0100.08020.90
5.5.330.0000.08720.90
5.5.320.0030.08720.84
5.5.310.0070.08020.79
5.5.300.0100.06320.62
5.5.290.0030.08720.86
5.5.280.0030.08320.82
5.5.270.0100.07720.63
5.5.260.0100.07720.78
5.5.250.0070.07020.64
5.5.240.0070.07720.13
5.5.230.0100.06020.26
5.5.220.0170.06720.27
5.5.210.0100.07720.24
5.5.200.0000.08020.10
5.5.190.0030.08020.26
5.5.180.0000.08320.21
5.5.160.0030.06320.13
5.5.150.0030.08020.14
5.5.140.0070.06720.21
5.5.130.0030.06720.10
5.5.120.0030.07720.14
5.5.110.0000.06720.22
5.5.100.0030.05320.10
5.5.90.0000.06720.09
5.5.80.0100.07720.04
5.5.70.0000.06320.04
5.5.60.0070.07319.93
5.5.50.0030.05720.15
5.5.40.0000.05320.03
5.5.30.0100.07720.04
5.5.20.0100.05720.07
5.5.10.0030.04720.01
5.5.00.0070.07019.95
5.4.450.0070.06319.40
5.4.440.0030.08719.11
5.4.430.0070.07719.57
5.4.420.0030.08319.55
5.4.410.0000.06019.22
5.4.400.0000.08018.82
5.4.390.0100.07319.12
5.4.380.0000.08019.02
5.4.370.0030.07719.05
5.4.360.0030.08318.98
5.4.350.0030.08019.05
5.4.340.0030.08018.96
5.4.320.0030.08019.03
5.4.310.0070.07018.81
5.4.300.0000.08318.96
5.4.290.0070.07019.05
5.4.280.0130.07318.96
5.4.270.0030.08019.01
5.4.260.0130.07019.04
5.4.250.0030.07318.99
5.4.240.0070.07319.09
5.4.230.0070.07318.97
5.4.220.0130.07318.95
5.4.210.0070.07718.97
5.4.200.0070.07319.05
5.4.190.0100.07718.93
5.4.180.0000.04718.94
5.4.170.0070.07719.13
5.4.160.0030.06319.04
5.4.150.0100.06719.05
5.4.140.0000.06316.32
5.4.130.0100.05316.23
5.4.120.0070.06716.37
5.4.110.0100.07316.45
5.4.100.0000.07716.23
5.4.90.0030.07316.27
5.4.80.0030.07316.34
5.4.70.0070.06716.36
5.4.60.0030.07716.18
5.4.50.0130.05716.23
5.4.40.0100.06016.41
5.4.30.0030.04716.30
5.4.20.0000.04016.50
5.4.10.0070.07716.25
5.4.00.0030.05015.71
5.3.290.0030.05714.65
5.3.280.0030.08014.58
5.3.270.0030.08014.44
5.3.260.0030.07314.48
5.3.250.0070.05014.46
5.3.240.0070.04714.44
5.3.230.0030.08014.61
5.3.220.0000.07714.42
5.3.210.0070.08014.43
5.3.200.0100.06314.56
5.3.190.0070.07314.43
5.3.180.0000.07014.47
5.3.170.0000.06014.54
5.3.160.0030.07714.52
5.3.150.0030.05314.52
5.3.140.0070.06714.54
5.3.130.0030.06314.41
5.3.120.0070.03714.51
5.3.110.0030.06014.40
5.3.100.0070.07314.04
5.3.90.0030.07313.98
5.3.80.0070.07314.02
5.3.70.0000.05013.98
5.3.60.0030.07013.98
5.3.50.0070.07013.94
5.3.40.0030.07013.88
5.3.30.0030.07313.90
5.3.20.0000.07313.63
5.3.10.0030.06713.59
5.3.00.0000.05313.64
5.2.170.0000.06312.17
5.2.160.0100.05712.17
5.2.150.0030.06012.17
5.2.140.0030.06312.17
5.2.130.0030.05712.17
5.2.120.0030.04012.17
5.2.110.0030.06312.17
5.2.100.0030.06012.17
5.2.90.0000.06312.17
5.2.80.0030.05312.17
5.2.70.0070.04712.17
5.2.60.0000.03312.17
5.2.50.0030.06012.17
5.2.40.0030.05712.17
5.2.30.0030.05712.17
5.2.20.0000.05012.17
5.2.10.0030.06312.17
5.2.00.0030.05712.17
5.1.60.0070.04712.17
5.1.50.0030.05312.17
5.1.40.0000.05712.17
5.1.30.0000.05712.17
5.1.20.0070.05012.17
5.1.10.0000.05712.17
5.1.00.0030.05312.17
5.0.50.0000.04712.17
5.0.40.0030.03312.17
5.0.30.0000.06312.17
5.0.20.0070.03712.17
5.0.10.0100.03712.17
5.0.00.0000.05012.17
4.4.90.0000.03712.17
4.4.80.0000.03312.17
4.4.70.0000.02312.17
4.4.60.0000.02012.17
4.4.50.0000.03712.17
4.4.40.0030.05312.17
4.4.30.0070.03312.17
4.4.20.0030.02712.17
4.4.10.0030.02712.17
4.4.00.0030.03712.17
4.3.110.0000.02012.17
4.3.100.0000.03312.17
4.3.90.0000.03712.17
4.3.80.0030.05012.17
4.3.70.0070.02312.17
4.3.60.0070.02712.17
4.3.50.0000.03012.17
4.3.40.0030.05012.17
4.3.30.0030.03712.17
4.3.20.0070.03012.17
4.3.10.0000.03012.17
4.3.00.0030.03712.17

preferences:
42.35 ms | 401 KiB | 5 Q