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\'] = \'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)
8.3.40.0120.00319.00
8.3.30.0100.00319.10
8.3.20.0040.00420.13
8.3.10.0000.00721.96
8.3.00.0090.00022.40
8.2.170.0100.01022.96
8.2.160.0100.00320.95
8.2.150.0000.00924.18
8.2.140.0000.00824.66
8.2.130.0060.00326.16
8.2.120.0040.00417.75
8.2.110.0030.00622.14
8.2.100.0080.00417.84
8.2.90.0040.00419.09
8.2.80.0080.00017.97
8.2.70.0000.01217.75
8.2.60.0040.00417.93
8.2.50.0000.00818.07
8.2.40.0060.00318.16
8.2.30.0020.00518.05
8.2.20.0040.00417.68
8.2.10.0050.00217.77
8.2.00.0030.00617.69
8.1.270.0050.00323.83
8.1.260.0040.00426.35
8.1.250.0070.00728.09
8.1.240.0030.00623.92
8.1.230.0030.00719.12
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0030.00617.22
8.1.190.0000.00817.42
8.1.180.0000.00918.10
8.1.170.0080.00018.59
8.1.160.0040.00421.88
8.1.150.0000.00718.47
8.1.140.0040.00417.32
8.1.130.0070.00017.79
8.1.120.0070.00017.36
8.1.110.0040.00417.32
8.1.100.0050.00217.30
8.1.90.0040.00317.40
8.1.80.0030.00617.41
8.1.70.0020.00517.41
8.1.60.0000.00717.43
8.1.50.0030.00517.47
8.1.40.0000.00717.38
8.1.30.0040.00417.50
8.1.20.0040.00417.52
8.1.10.0000.00817.58
8.1.00.0030.00617.57
8.0.300.0070.00018.77
8.0.290.0070.00017.05
8.0.280.0070.00018.46
8.0.270.0000.00717.21
8.0.260.0070.00316.94
8.0.250.0000.00716.99
8.0.240.0050.00316.89
8.0.230.0030.00316.87
8.0.220.0030.00316.88
8.0.210.0070.00016.95
8.0.200.0000.00816.86
8.0.190.0000.00816.90
8.0.180.0030.00516.82
8.0.170.0070.00016.94
8.0.160.0030.00416.78
8.0.150.0040.00416.79
8.0.140.0000.00816.88
8.0.130.0080.00013.30
8.0.120.0070.00016.85
8.0.110.0000.00716.91
8.0.100.0040.00416.97
8.0.90.0000.00716.79
8.0.80.0070.00716.97
8.0.70.0040.00416.78
8.0.60.0000.00816.96
8.0.50.0000.00717.03
8.0.30.0040.01317.06
8.0.20.0140.00517.41
8.0.10.0000.00716.90
8.0.00.0170.00216.93
7.4.330.0000.00515.15
7.4.320.0000.00616.54
7.4.300.0030.00316.53
7.4.290.0040.00416.54
7.4.280.0030.00316.43
7.4.270.0050.00316.60
7.4.260.0100.00016.60
7.4.250.0040.00416.48
7.4.240.0060.00216.52
7.4.230.0070.00016.70
7.4.220.0090.00916.51
7.4.210.0090.00616.58
7.4.200.0040.00416.42
7.4.190.0040.00416.67
7.4.160.0100.00716.63
7.4.150.0120.01217.40
7.4.140.0160.00517.86
7.4.130.0070.00916.42
7.4.120.0150.00416.45
7.4.110.0110.01116.73
7.4.100.0080.01116.41
7.4.90.0110.00616.59
7.4.80.0090.00916.44
7.4.70.0140.00416.48
7.4.60.0090.00616.37
7.4.50.0020.00216.42
7.4.40.0040.01122.77
7.4.30.0100.00716.66
7.4.10.0100.00315.16
7.4.00.0090.00914.97
7.3.330.0000.00513.25
7.3.320.0000.00613.23
7.3.310.0070.00016.48
7.3.300.0030.00316.30
7.3.290.0070.01116.44
7.3.280.0030.01316.46
7.3.270.0040.01317.40
7.3.260.0140.01016.38
7.3.250.0120.00916.56
7.3.240.0140.00316.35
7.3.230.0040.01816.50
7.3.210.0100.01016.29
7.3.200.0140.01119.39
7.3.190.0070.01016.24
7.3.180.0090.01216.66
7.3.170.0040.01316.56
7.3.160.0090.00916.51
7.3.130.0100.00315.08
7.3.120.0080.00814.76
7.3.110.0140.00414.56
7.3.100.0070.00714.82
7.3.90.0070.01114.88
7.3.80.0070.01015.15
7.3.70.0060.00314.62
7.3.60.0090.00614.79
7.3.50.0000.01114.76
7.3.40.0000.01214.46
7.3.30.0000.01214.55
7.3.20.0100.00316.70
7.3.10.0030.01316.43
7.3.00.0030.01016.65
7.2.330.0100.00716.64
7.2.320.0070.01116.73
7.2.310.0140.00416.64
7.2.300.0100.00716.87
7.2.290.0130.00316.70
7.2.260.0110.00715.13
7.2.250.0070.01014.71
7.2.240.0060.00915.28
7.2.230.0100.00614.87
7.2.220.0060.00615.30
7.2.210.0030.00915.05
7.2.200.0070.00714.71
7.2.190.0130.00315.01
7.2.180.0060.01015.16
7.2.170.0040.01114.93
7.2.160.0040.00814.98
7.2.150.0000.01016.60
7.2.140.0090.00917.00
7.2.130.0030.01216.94
7.2.120.0040.01116.77
7.2.110.0040.01216.97
7.2.100.0030.00616.71
7.2.90.0040.01116.76
7.2.80.0000.01516.73
7.2.70.0110.00316.73
7.2.60.0030.00917.01
7.2.50.0080.00616.79
7.2.40.0070.00716.68
7.2.30.0000.01116.76
7.2.20.0080.00816.88
7.2.10.0030.00917.03
7.2.00.0070.00518.17
7.1.330.0060.00615.83
7.1.320.0040.01215.77
7.1.310.0040.00715.71
7.1.300.0070.01015.68
7.1.290.0000.01215.73
7.1.280.0040.00715.48
7.1.270.0040.01115.93
7.1.260.0030.00915.68
7.1.250.0100.00015.89
7.1.240.0070.00715.78
7.1.230.0080.00415.86
7.1.220.0080.00415.48
7.1.210.0030.01015.80
7.1.200.0050.00915.78
7.1.190.0000.00915.81
7.1.180.0030.01015.65
7.1.170.0030.00715.35
7.1.160.0080.00615.60
7.1.150.0100.00315.74
7.1.140.0070.00715.75
7.1.130.0090.00315.71
7.1.120.0030.01015.74
7.1.110.0100.00615.80
7.1.100.0050.01016.81
7.1.90.0090.00915.90
7.1.80.0000.01215.71
7.1.70.0060.00516.49
7.1.60.0070.01217.88
7.1.50.0080.00416.16
7.1.40.0140.00015.63
7.1.30.0040.00815.50
7.1.20.0060.00615.49
7.1.10.0100.00615.78
7.1.00.0050.04218.93
7.0.330.0100.00714.95
7.0.320.0060.00615.13
7.0.310.0030.00915.54
7.0.300.0030.00715.22
7.0.290.0040.00815.15
7.0.280.0030.01015.11
7.0.270.0060.00915.15
7.0.260.0060.00915.38
7.0.250.0030.00615.39
7.0.240.0040.00715.43
7.0.230.0090.00315.55
7.0.220.0100.00315.59
7.0.210.0090.00615.52
7.0.200.0040.01116.06
7.0.190.0100.00315.44
7.0.180.0100.00315.41
7.0.170.0040.01115.36
7.0.160.0000.01115.39
7.0.150.0100.00615.42
7.0.140.0050.02818.66
7.0.130.0030.01215.51
7.0.120.0060.00915.56
7.0.110.0050.00515.50
7.0.100.0070.00715.08
7.0.90.0070.01015.32
7.0.80.0140.00315.32
7.0.70.0100.00315.12
7.0.60.0020.04817.59
7.0.50.0050.02316.56
7.0.40.0140.02716.52
7.0.30.0220.04016.61
7.0.20.0130.04516.82
7.0.10.0080.02716.85
7.0.00.0070.03316.76
5.6.400.0060.00914.34
5.6.390.0030.01314.01
5.6.380.0100.00714.54
5.6.370.0030.00814.44
5.6.360.0000.00914.64
5.6.350.0030.01014.52
5.6.340.0080.00814.58
5.6.330.0090.00614.30
5.6.320.0060.01314.37
5.6.310.0090.00614.59
5.6.300.0060.01014.28
5.6.290.0090.00614.60
5.6.280.0090.03717.77
5.6.270.0080.00614.21
5.6.260.0070.01014.20
5.6.250.0030.01014.30
5.6.240.0030.01014.35
5.6.230.0100.00314.45
5.6.220.0060.00614.69
5.6.210.0080.04517.54
5.6.200.0050.04216.28
5.6.190.0120.02717.37
5.6.180.2050.02517.49
5.6.170.0150.02217.32
5.6.160.0020.02917.57
5.6.150.0050.02416.30
5.6.140.0040.04016.39
5.6.130.0030.04316.23
5.6.120.0080.04417.73
5.6.110.0100.03817.62
5.6.100.0080.03717.87
5.6.90.0060.05017.64
5.6.80.0000.04917.42
5.6.70.2300.02217.31
5.6.60.0000.01114.13
5.6.50.0070.00314.52
5.6.40.0060.00614.44
5.6.30.0000.01214.04
5.6.20.0090.00614.24
5.6.10.0000.01414.04
5.6.00.0030.01014.43
5.5.380.0110.00714.58
5.5.370.0090.00614.55
5.5.360.0030.00614.31
5.5.350.0030.04517.40
5.5.340.0070.04515.96
5.5.330.0070.03017.34
5.5.320.0130.02517.39
5.5.310.0290.02017.26
5.5.300.0050.04516.16
5.5.290.0060.03016.25
5.5.280.0160.03617.48
5.5.270.0050.03317.53
5.5.260.0100.03017.48
5.5.250.0080.04317.45
5.5.240.0110.03617.27
5.5.230.0030.00914.36
5.5.220.0070.01014.18
5.5.210.0150.00014.02
5.5.200.0080.00814.12
5.5.190.0030.00914.27
5.5.180.0060.00914.11
5.5.170.0000.01014.35
5.5.160.0000.01114.28
5.5.150.0030.00514.49
5.5.140.0090.00314.52
5.5.130.0070.00714.10
5.5.120.0000.01514.36
5.5.110.0030.00714.19
5.5.100.0030.01014.17
5.5.90.0080.00614.36
5.5.80.0110.00314.46
5.5.70.0140.00014.16
5.5.60.0000.01214.25
5.5.50.0000.01514.25
5.5.40.0040.00814.18
5.5.30.0130.00314.14
5.5.20.0030.01013.88
5.5.10.0030.00714.58
5.5.00.0080.00814.09
5.4.450.0170.02615.10
5.4.440.0370.02315.12
5.4.430.0200.02615.31
5.4.420.0150.02515.33
5.4.410.0050.03515.13
5.4.400.0100.02814.65
5.4.390.0070.03314.82
5.4.380.0050.03514.94
5.4.370.0220.02714.72
5.4.360.0220.02214.92
5.4.350.0150.03914.78
5.4.340.0250.03014.97
5.4.330.0060.00011.22
5.4.320.0040.02311.77
5.4.310.0060.02311.72
5.4.300.0060.01811.74
5.4.290.0030.02311.79
5.4.280.0030.02911.79
5.4.270.0030.02411.75
5.4.260.0030.02311.62
5.4.250.0040.02511.54
5.4.240.0050.02111.56
5.4.230.0020.02311.78
5.4.220.0060.01911.75
5.4.210.0050.01911.63
5.4.200.0100.02511.48
5.4.190.0060.02111.64
5.4.180.0050.02111.68
5.4.170.0070.02711.81
5.4.160.0190.04611.75
5.4.150.0090.02611.51
5.4.140.0120.02011.42
5.4.130.0110.02411.58
5.4.120.0080.02611.59
5.4.110.0140.02111.53
5.4.100.0110.02311.54
5.4.90.0080.02611.48
5.4.80.0130.05111.52
5.4.70.0090.02511.58
5.4.60.0090.02411.50
5.4.50.0080.02411.50
5.4.40.0060.02811.51
5.4.30.0090.02411.54
5.4.20.0090.02211.47
5.4.10.0080.02311.34
5.4.00.0070.02611.09
5.3.290.0020.02511.71
5.3.280.0070.01911.57
5.3.270.0130.03711.61
5.3.260.0100.02411.66
5.3.250.0140.02011.55
5.3.240.0090.02411.57
5.3.230.0130.02211.56
5.3.220.0200.03111.61
5.3.210.0140.02211.57
5.3.200.0100.02511.59
5.3.190.0100.02711.60
5.3.180.0090.02711.68
5.3.170.0100.02411.68
5.3.160.0220.04511.68
5.3.150.0060.02911.74
5.3.140.0100.02411.64
5.3.130.0130.02311.60
5.3.120.0210.04511.63
5.3.110.0050.02911.64
5.3.100.0100.02611.25
5.3.90.0100.02411.29
5.3.80.0120.02311.27
5.3.70.0110.02411.28
5.3.60.0110.02411.13
5.3.50.0070.02611.21
5.3.40.0090.02611.19
5.3.30.0080.02411.21
5.3.20.0130.02111.03
5.3.10.0100.02210.96
5.3.00.0090.02210.83
5.2.170.0130.0349.20
5.2.160.0130.0339.19
5.2.150.0140.0339.19
5.2.140.0120.0369.19
5.2.130.0110.0359.15
5.2.120.0120.0359.15
5.2.110.0130.0369.16
5.2.100.0150.0349.15
5.2.90.0140.0329.15
5.2.80.0110.0359.14
5.2.70.0080.0389.14
5.2.60.0300.0779.09
5.2.50.0160.0329.06
5.2.40.0110.0359.04
5.2.30.0180.0599.02
5.2.20.0120.0349.02
5.2.10.0170.0318.95
5.2.00.0130.0328.80
5.1.60.0060.0348.07
5.1.50.0140.0278.08
5.1.40.0080.0328.07
5.1.30.0480.0628.41
5.1.20.0120.0308.44
5.1.10.0120.0328.16
5.1.00.0110.0328.15
5.0.50.0120.0226.63
5.0.40.0100.0236.49
5.0.30.0120.0396.31
5.0.20.0080.0236.28
5.0.10.0260.0356.26
5.0.00.0100.0336.24
4.4.90.0070.0184.78
4.4.80.0090.0184.75
4.4.70.0110.0164.75
4.4.60.0070.0184.75
4.4.50.0050.0194.77
4.4.40.0070.0304.71
4.4.30.0050.0204.76
4.4.20.0070.0174.84
4.4.10.0070.0194.85
4.4.00.0110.0544.76
4.3.110.0120.0144.67
4.3.100.0110.0174.67
4.3.90.0060.0184.64
4.3.80.0100.0264.59
4.3.70.0090.0164.63
4.3.60.0090.0154.63
4.3.50.0070.0204.63
4.3.40.0070.0294.54
4.3.30.0030.0213.32
4.3.20.0040.0203.30
4.3.10.0090.0173.27
4.3.00.0100.01013.29

preferences:
42.27 ms | 400 KiB | 5 Q