3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(0, '0 ', null, '', 1); foreach ($a as $s) { var_dump(empty($s)); }

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)
8.3.60.0070.01416.38
8.3.50.0110.00716.45
8.3.40.0000.01418.51
8.3.30.0040.01118.58
8.3.20.0090.00018.65
8.3.10.0040.00421.77
8.3.00.0080.00020.77
8.2.180.0070.00716.38
8.2.170.0190.00822.96
8.2.160.0130.00020.35
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00021.08
8.2.120.0070.00026.35
8.2.110.0060.00319.24
8.2.100.0030.00717.91
8.2.90.0050.00319.09
8.2.80.0000.00818.16
8.2.70.0030.00517.68
8.2.60.0040.00417.63
8.2.50.0060.00318.22
8.2.40.0030.00620.58
8.2.30.0070.00019.18
8.2.20.0000.00817.96
8.2.10.0050.00218.05
8.2.00.0080.00017.68
8.1.280.0070.00725.92
8.1.270.0020.00522.24
8.1.260.0050.00328.09
8.1.250.0080.00028.09
8.1.240.0060.00322.38
8.1.230.0040.00720.97
8.1.220.0080.00017.74
8.1.210.0100.00018.77
8.1.200.0000.00817.35
8.1.190.0050.00317.36
8.1.180.0000.00818.10
8.1.170.0080.00018.56
8.1.160.0040.00420.64
8.1.150.0040.00420.20
8.1.140.0040.00419.43
8.1.130.0030.00317.57
8.1.120.0000.00717.49
8.1.110.0040.00417.52
8.1.100.0040.00417.42
8.1.90.0070.00017.48
8.1.80.0070.00017.48
8.1.70.0060.00317.46
8.1.60.0040.00417.55
8.1.50.0000.00817.45
8.1.40.0040.00417.46
8.1.30.0040.00417.62
8.1.20.0000.00717.56
8.1.10.0000.00817.48
8.1.00.0040.00417.39
8.0.300.0030.00319.86
8.0.290.0070.00016.63
8.0.280.0070.00018.40
8.0.270.0050.00317.19
8.0.260.0040.00417.29
8.0.250.0040.00416.89
8.0.240.0050.00216.85
8.0.230.0000.00716.82
8.0.220.0070.00016.84
8.0.210.0030.00316.90
8.0.200.0070.00016.97
8.0.190.0070.00016.90
8.0.180.0040.00416.79
8.0.170.0070.00016.96
8.0.160.0030.00316.85
8.0.150.0030.00316.72
8.0.140.0000.00916.82
8.0.130.0050.00013.27
8.0.120.0000.00716.87
8.0.110.0030.00316.77
8.0.100.0040.00416.76
8.0.90.0040.00416.88
8.0.80.0070.01016.90
8.0.70.0040.00416.87
8.0.60.0040.00416.93
8.0.50.0040.00416.80
8.0.30.0110.00817.12
8.0.20.0100.01017.40
8.0.10.0000.00717.00
8.0.00.0120.01216.55
7.4.330.0000.00615.55
7.4.320.0030.00316.53
7.4.300.0030.00316.51
7.4.290.0030.00516.61
7.4.280.0000.00716.50
7.4.270.0040.00416.58
7.4.260.0060.00316.53
7.4.250.0070.00016.46
7.4.240.0080.00016.43
7.4.230.0070.00016.41
7.4.220.0040.01316.54
7.4.210.0140.00016.64
7.4.200.0000.00716.59
7.4.160.0070.00916.53
7.4.150.0040.01217.40
7.4.140.0100.01017.86
7.4.130.0060.01216.49
7.4.120.0090.00816.48
7.4.110.0090.00916.41
7.4.100.0120.00616.59
7.4.90.0090.00916.48
7.4.80.0070.01619.39
7.4.70.0090.00616.39
7.4.60.0030.01216.52
7.4.50.0000.01416.30
7.4.40.0120.00616.51
7.4.30.0150.00416.13
7.4.00.0080.00714.99
7.3.330.0000.00613.12
7.3.320.0000.00613.09
7.3.310.0030.00316.23
7.3.300.0030.00516.26
7.3.290.0050.01016.26
7.3.280.0110.00816.29
7.3.270.0000.01717.40
7.3.260.0100.00916.34
7.3.250.0090.00916.48
7.3.240.0090.01216.41
7.3.230.0060.00916.39
7.3.210.0050.01116.31
7.3.200.0040.01316.21
7.3.190.0130.00316.16
7.3.180.0090.00916.46
7.3.170.0100.00716.23
7.3.160.0060.00916.26
7.3.120.0130.00615.08
7.3.110.0030.01014.74
7.3.100.0070.00814.96
7.3.90.0000.01414.78
7.3.80.0070.00714.91
7.3.70.0040.01014.54
7.3.60.0060.00614.82
7.3.50.0130.00014.79
7.3.40.0060.00314.67
7.3.30.0040.00714.76
7.3.20.0040.01116.41
7.3.10.0070.01016.82
7.3.00.0030.00916.69
7.2.330.0190.00416.61
7.2.320.0070.01616.48
7.2.310.0160.00016.47
7.2.300.0100.00716.59
7.2.290.0130.00716.37
7.2.250.0090.00915.00
7.2.240.0070.01315.14
7.2.230.0040.01114.89
7.2.220.0030.01215.05
7.2.210.0000.01414.99
7.2.200.0070.00714.66
7.2.190.0060.00914.96
7.2.180.0060.00314.91
7.2.170.0080.00815.01
7.2.160.0040.00714.59
7.2.150.0120.00017.04
7.2.140.0040.01117.04
7.2.130.0000.01516.99
7.2.120.0080.00316.98
7.2.110.0060.01416.85
7.2.100.0070.00716.48
7.2.90.0000.01816.91
7.2.80.0000.01416.90
7.2.70.0060.00616.75
7.2.60.0070.01016.87
7.2.50.0070.00716.77
7.2.40.0000.00916.78
7.2.30.0050.00517.02
7.2.20.0000.01117.12
7.2.10.0070.01016.65
7.2.00.0070.00917.97
7.1.330.0110.00415.70
7.1.320.0030.01015.82
7.1.310.0090.00015.83
7.1.300.0070.00715.96
7.1.290.0070.00315.90
7.1.280.0040.00815.72
7.1.270.0050.00515.67
7.1.260.0030.01015.75
7.1.250.0000.01015.84
7.1.240.0000.01715.81
7.1.230.0060.01215.72
7.1.220.0030.01315.62
7.1.210.0040.01115.67
7.1.200.0040.01015.79
7.1.190.0080.00815.71
7.1.180.0060.00615.94
7.1.170.0030.00615.70
7.1.160.0040.00715.54
7.1.150.0060.00315.41
7.1.140.0030.00915.34
7.1.130.0030.00615.45
7.1.120.0030.00615.70
7.1.110.0070.01015.64
7.1.100.0110.01016.96
7.1.90.0060.00615.97
7.1.80.0040.01115.72
7.1.70.0080.00516.38
7.1.60.0060.00616.28
7.1.50.0030.00615.75
7.1.40.0070.00315.65
7.1.30.0100.00315.62
7.1.20.0100.00315.88
7.1.10.0040.01215.99
7.1.00.0020.04618.85
7.0.330.0060.00615.29
7.0.320.0110.00315.53
7.0.310.0040.00415.45
7.0.300.0040.00715.37
7.0.290.0060.00615.34
7.0.280.0000.01115.43
7.0.270.0100.00315.37
7.0.260.0030.01015.44
7.0.250.0050.00515.32
7.0.240.0040.00815.55
7.0.230.0060.00615.40
7.0.220.0000.00915.42
7.0.210.0100.00315.50
7.0.200.0230.00815.03
7.0.190.0090.00615.05
7.0.180.0080.00815.38
7.0.170.0070.00715.31
7.0.160.0030.00915.42
7.0.150.0060.00715.38
7.0.140.0000.01415.39
7.0.130.0060.03318.80
7.0.120.0000.03718.81
7.0.110.0100.03018.79
7.0.100.0060.03218.70
7.0.90.0100.04318.78
7.0.80.0030.03818.68
7.0.70.0110.03317.83
7.0.60.0080.02818.70
7.0.50.0030.03618.71
7.0.40.0230.03216.90
7.0.30.0170.02517.74
7.0.20.0190.03416.90
7.0.10.0180.03717.70
7.0.00.0100.03216.82
5.6.400.0000.01514.38
5.6.390.0130.00314.65
5.6.380.0080.00414.16
5.6.370.0110.00414.31
5.6.360.0040.00813.99
5.6.350.0070.00714.63
5.6.340.0070.00714.55
5.6.330.0040.00414.39
5.6.320.0030.01014.25
5.6.310.0000.01514.56
5.6.300.0090.00914.10
5.6.290.0060.00614.16
5.6.280.0110.02817.49
5.6.270.0080.03217.72
5.6.260.0080.03217.63
5.6.250.0100.03317.64
5.6.240.0150.04017.68
5.6.230.0140.02917.71
5.6.220.0090.02917.54
5.6.210.0100.02917.63
5.6.200.0080.03617.63
5.6.190.0120.03217.63
5.6.180.0050.03517.61
5.6.170.0120.03317.68
5.6.160.0150.02817.57
5.6.150.0110.02917.47
5.6.140.0030.03617.61
5.6.130.0130.02717.50
5.6.120.0090.03317.71
5.6.110.0100.03317.50
5.6.100.0050.03617.49
5.6.90.0100.02817.75
5.6.80.0100.03017.29
5.6.70.0060.03317.37
5.6.60.0070.03017.16
5.6.50.0100.02717.30
5.6.40.0100.02817.25
5.6.30.0100.03017.22
5.6.20.0070.03317.14
5.6.10.0050.03017.19
5.6.00.0050.03417.33

preferences:
59.89 ms | 401 KiB | 5 Q