3v4l.org

run code in 300+ PHP versions simultaneously
<?php $o = []; $var = ["",0,null,1,2,3,$foo,$o['myIndex']]; array_walk($var, function($v) { echo (!isset($v) || $v == false) ? 'true ' : 'false'; echo ' ' . (@empty($v) ? 'true' : 'false'); 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)
8.3.60.0140.00418.68
8.3.50.0110.00417.92
8.3.40.0100.01018.70
8.3.30.0080.00818.66
8.3.20.0000.00719.39
8.3.10.0050.00221.90
8.3.00.0040.00719.56
8.2.180.0120.00325.92
8.2.170.0110.00718.95
8.2.160.0040.01122.96
8.2.150.0080.00025.66
8.2.140.0080.00024.66
8.2.130.0000.00720.52
8.2.120.0060.00326.35
8.2.110.0060.00322.08
8.2.100.0040.00719.11
8.2.90.0080.00017.67
8.2.80.0030.00517.97
8.2.70.0070.00417.89
8.2.60.0090.00318.04
8.2.50.0040.00418.10
8.2.40.0080.00020.60
8.2.30.0040.00419.30
8.2.20.0080.00018.02
8.2.10.0000.00818.23
8.2.00.0030.00318.30
8.1.280.0110.00425.92
8.1.270.0060.00324.66
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00620.50
8.1.230.0040.00822.75
8.1.220.0000.00719.09
8.1.210.0000.00818.77
8.1.200.0030.00617.12
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0060.00318.99
8.1.160.0070.00019.02
8.1.150.0050.00220.21
8.1.140.0000.00719.54
8.1.130.0000.00718.86
8.1.120.0070.00017.46
8.1.110.0040.00417.49
8.1.100.0030.00517.44
8.1.90.0000.00717.43
8.1.80.0000.00817.49
8.1.70.0070.00017.51
8.1.60.0030.00617.60
8.1.50.0040.00417.41
8.1.40.0000.00917.54
8.1.30.0040.00417.60
8.1.20.0060.00317.70
8.1.10.0040.00417.59
8.1.00.0000.00917.56
8.0.300.0000.00921.31
8.0.290.0000.00916.75
8.0.280.0000.00718.37
8.0.270.0000.00717.16
8.0.260.0030.00319.03
8.0.250.0040.00416.91
8.0.240.0030.00317.11
8.0.230.0000.00716.96
8.0.220.0000.00716.97
8.0.210.0040.00416.94
8.0.200.0040.00417.00
8.0.190.0080.00016.89
8.0.180.0040.00416.89
8.0.170.0000.00716.98
8.0.160.0070.00016.99
8.0.150.0050.00216.93
8.0.140.0030.00716.79
8.0.130.0000.00613.40
8.0.120.0000.00816.91
8.0.110.0030.00516.87
8.0.100.0040.00416.78
8.0.90.0000.00716.90
8.0.80.0060.00916.91
8.0.70.0040.00416.90
8.0.60.0000.00716.85
8.0.50.0070.00016.80
8.0.30.0080.01017.13
8.0.20.0080.01117.40
8.0.10.0070.00016.94
8.0.00.0140.00616.88
7.4.330.0000.00515.55
7.4.320.0000.00616.57
7.4.300.0030.00616.37
7.4.290.0070.00016.59
7.4.280.0040.00416.60
7.4.270.0000.00816.60
7.4.260.0100.00016.50
7.4.250.0050.00216.54
7.4.240.0050.00216.42
7.4.230.0000.00716.50
7.4.220.0170.00316.64
7.4.210.0060.01016.57
7.4.200.0050.00516.64
7.4.160.0100.00716.60
7.4.150.0120.00617.40
7.4.140.0060.01317.86
7.4.130.0000.01916.53
7.4.120.0120.00916.63
7.4.110.0130.00916.58
7.4.100.0110.01216.56
7.4.90.0120.01216.61
7.4.80.0120.01217.79
7.4.70.0140.00916.42
7.4.60.0080.01216.48
7.4.50.0090.00916.46
7.4.40.0120.00916.59
7.4.30.0150.00416.58
7.4.20.0090.00716.58
7.4.10.0080.00916.36
7.4.00.0100.00615.75
7.3.330.0050.00013.30
7.3.320.0030.00313.44
7.3.310.0000.00716.41
7.3.300.0000.00716.42
7.3.290.0000.00716.35
7.3.280.0120.00416.44
7.3.270.0060.01117.40
7.3.260.0100.00716.67
7.3.250.0100.01016.49
7.3.240.0120.00916.53
7.3.230.0140.00916.50
7.3.220.0200.00816.61
7.3.210.0160.00616.48
7.3.200.0120.01116.56
7.3.190.0180.00616.61
7.3.180.0140.00916.52
7.3.170.0150.00616.51
7.3.160.0120.00616.52
7.3.150.0100.00516.36
7.3.140.0120.01016.53
7.3.130.0100.01116.51
7.3.120.0090.01015.97
7.3.110.0070.00916.10
7.3.100.0070.00915.87
7.3.90.0080.00915.84
7.3.80.0080.00815.88
7.3.70.0120.00815.95
7.3.60.0060.01015.86
7.3.50.0050.00915.98
7.3.40.0090.00915.88
7.3.30.0080.00915.92
7.3.20.0430.00816.10
7.3.10.0770.00916.14
7.3.00.0390.00716.02
7.2.340.0170.01416.68
7.2.330.0150.01016.48
7.2.320.0130.01316.60
7.2.310.0110.01116.71
7.2.300.0120.00916.54
7.2.290.0150.00816.65
7.2.280.0080.01016.60
7.2.270.0090.00716.47
7.2.260.0120.00616.55
7.2.250.0110.00816.06
7.2.240.0090.00916.12
7.2.230.0100.00616.04
7.2.220.0100.00416.14
7.2.210.0080.00816.00
7.2.200.0090.00816.16
7.2.190.0080.00816.03
7.2.180.0100.00516.04
7.2.170.0110.00816.10
7.2.160.0080.00916.60
7.2.150.0700.01116.08
7.2.140.0580.00816.19
7.2.130.0660.00516.15
7.2.120.0620.01316.09
7.2.110.0680.00916.08
7.2.100.0560.00616.00
7.2.90.0590.00916.12
7.2.80.0610.00716.00
7.2.70.0560.00915.94
7.2.60.0450.00716.31
7.2.50.0480.00916.08
7.2.40.0450.01216.16
7.2.30.0460.01016.09
7.2.20.0690.00916.10
7.2.10.0490.00616.03
7.2.00.0380.00516.10
7.1.330.0060.01115.67
7.1.320.0070.00915.67
7.1.310.0090.00715.45
7.1.300.0080.00815.69
7.1.290.0210.00715.57
7.1.280.0110.00615.57
7.1.270.0090.00715.55
7.1.260.0060.00915.62
7.1.250.0510.00714.88
7.1.240.0720.00815.01
7.1.230.0640.00615.02
7.1.220.0610.00514.95
7.1.210.0700.00714.95
7.1.200.0460.01115.04
7.1.190.0540.00415.01
7.1.180.0400.01214.99
7.1.170.0410.01314.90
7.1.160.0770.01114.98
7.1.150.0570.00814.98
7.1.140.0600.01214.98
7.1.130.0500.00614.90
7.1.120.0500.00814.86
7.1.110.0450.01114.98
7.1.100.0480.00315.02
7.1.90.0350.00914.93
7.1.80.2220.01015.24
7.1.70.1650.01215.49
7.1.60.1260.01018.68
7.1.50.0460.01522.54
7.1.40.0920.00922.32
7.1.30.1210.01022.28
7.1.20.0870.01022.46
7.1.10.0930.00715.29
7.1.00.1440.00915.27
7.0.330.0600.00914.57
7.0.320.0910.00814.65
7.0.310.0540.00614.63
7.0.300.0440.00914.52
7.0.290.0420.00914.72
7.0.280.0610.00814.52
7.0.270.0540.00714.49
7.0.260.0750.00914.43
7.0.250.0530.00714.59
7.0.240.0490.00714.71
7.0.230.0410.01014.48
7.0.220.0420.01214.57
7.0.210.0310.01014.55
7.0.200.0980.01015.19
7.0.190.0540.01015.14
7.0.180.0300.01114.90
7.0.170.1110.01114.92
7.0.160.1050.00814.92
7.0.150.1010.00614.89
7.0.140.0800.01014.92
7.0.130.0730.00814.97
7.0.120.0700.00914.91
7.0.110.0900.00914.92
7.0.100.0940.00614.83
7.0.90.0740.00614.91
7.0.80.0750.00914.91
7.0.70.0800.00714.80
7.0.60.0890.00814.81
7.0.50.0790.00914.86
7.0.40.0660.00814.90
7.0.30.0610.00915.29
7.0.20.0600.00815.00
7.0.10.0650.00914.96
7.0.00.0650.01015.00
5.6.400.0090.00916.02
5.6.390.0070.01116.04
5.6.380.0060.01715.57
5.6.370.0160.00415.55
5.6.360.0110.00915.40
5.6.350.0130.00715.49
5.6.340.0150.00915.50
5.6.330.0090.01415.30
5.6.320.0090.01515.23
5.6.310.0150.00915.24
5.6.300.0130.03717.56
5.6.290.0110.03417.53
5.6.280.0150.03317.55
5.6.270.0130.03117.53
5.6.260.0090.03617.55
5.6.250.0120.03417.60
5.6.240.0170.02617.51
5.6.230.0130.03117.48
5.6.220.0130.03517.51
5.6.210.0150.03217.59
5.6.200.0150.03417.45
5.6.190.0150.02717.45
5.6.180.0130.03017.61
5.6.170.0160.03017.47
5.6.160.0140.03317.55
5.6.150.0120.03317.42
5.6.140.0150.02817.47
5.6.130.0110.02917.56
5.6.120.0120.03117.55
5.6.110.0130.03017.48
5.6.100.0130.03217.51
5.6.90.0150.03117.65
5.6.80.0120.03217.22
5.6.70.0120.03617.19
5.6.60.0170.03217.27
5.6.50.0160.02617.19
5.6.40.0150.02717.19
5.6.30.0090.03117.21
5.6.20.0130.03117.20
5.6.10.0110.02617.30
5.6.00.0060.03317.23

preferences:
36.6 ms | 400 KiB | 5 Q