3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo (empty('true') === true);

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)
8.3.60.0070.01118.55
8.3.50.0150.01116.25
8.3.40.0070.01118.71
8.3.30.0100.00318.72
8.3.20.0040.00420.33
8.3.10.0040.00423.57
8.3.00.0030.00622.54
8.2.180.0070.00718.17
8.2.170.0080.00622.96
8.2.160.0120.00322.18
8.2.150.0050.00324.18
8.2.140.0060.00324.66
8.2.130.0080.00021.05
8.2.120.0040.00426.35
8.2.110.0070.00322.27
8.2.100.0080.00417.91
8.2.90.0090.00017.63
8.2.80.0080.00017.97
8.2.70.0030.00617.80
8.2.60.0050.00318.22
8.2.50.0060.00318.10
8.2.40.0080.00020.19
8.2.30.0040.00419.00
8.2.20.0000.00717.92
8.2.10.0000.00719.16
8.2.00.0070.00018.00
8.1.280.0070.00725.92
8.1.270.0050.00220.38
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0000.01022.14
8.1.230.0040.00819.07
8.1.220.0000.00717.74
8.1.210.0000.00918.77
8.1.200.0030.00717.23
8.1.190.0000.00817.11
8.1.180.0080.00018.10
8.1.170.0080.00018.52
8.1.160.0070.00018.69
8.1.150.0000.00818.77
8.1.140.0080.00020.25
8.1.130.0050.00320.30
8.1.120.0000.00717.22
8.1.110.0070.00017.29
8.1.100.0040.00417.29
8.1.90.0040.00417.22
8.1.80.0000.00717.27
8.1.70.0000.00717.24
8.1.60.0050.00217.41
8.1.50.0070.00317.36
8.1.40.0000.00717.29
8.1.30.0060.00317.48
8.1.20.0090.00017.45
8.1.10.0070.00017.36
8.1.00.0080.00017.36
8.0.300.0040.00419.60
8.0.290.0080.00016.63
8.0.280.0000.00718.25
8.0.270.0000.00717.18
8.0.260.0060.00019.99
8.0.250.0060.00016.72
8.0.240.0000.00616.75
8.0.230.0050.00216.86
8.0.220.0030.00316.65
8.0.210.0000.00716.77
8.0.200.0000.00616.79
8.0.190.0070.00016.86
8.0.180.0070.00016.78
8.0.170.0040.00416.76
8.0.160.0040.00416.78
8.0.150.0030.00316.59
8.0.140.0000.00716.61
8.0.130.0000.00513.21
8.0.120.0040.00416.59
8.0.110.0040.00416.77
8.0.100.0000.00716.74
8.0.90.0040.00416.59
8.0.80.0100.01016.70
8.0.70.0070.00016.78
8.0.60.0040.00416.55
8.0.50.0000.00716.63
8.0.30.0110.00717.11
8.0.20.0120.00917.40
8.0.10.0030.00516.78
8.0.00.0100.01016.71
7.4.330.0050.00015.55
7.4.320.0060.00016.45
7.4.300.0000.00616.36
7.4.290.0060.00016.41
7.4.280.0030.00316.47
7.4.270.0030.00316.43
7.4.260.0040.00416.40
7.4.250.0030.00616.41
7.4.240.0050.00216.24
7.4.230.0070.00016.36
7.4.220.0050.00516.20
7.4.210.0110.00916.44
7.4.200.0030.00316.36
7.4.160.0130.00216.36
7.4.140.0130.00617.86
7.4.130.0050.01516.36
7.4.120.0160.00316.41
7.4.110.0120.00416.25
7.4.100.0060.01116.35
7.4.90.0140.00316.33
7.4.80.0120.00619.39
7.4.70.0080.00816.32
7.4.60.0080.00816.17
7.4.50.0060.00616.28
7.4.40.0120.00316.18
7.4.00.0090.00615.13
7.3.330.0000.00613.05
7.3.320.0000.00513.03
7.3.310.0070.00016.27
7.3.300.0030.00316.12
7.3.290.0060.00316.22
7.3.280.0120.00616.15
7.3.260.0090.00916.34
7.3.240.0130.00716.21
7.3.230.0060.01216.39
7.3.210.0160.00616.28
7.3.200.0130.00316.38
7.3.190.0110.01116.53
7.3.180.0070.01116.48
7.3.170.0090.00916.36
7.3.160.0030.01316.14
7.3.30.0080.00314.68
7.3.20.0040.01116.43
7.3.10.0070.00716.37
7.3.00.0030.00916.49
7.2.330.0060.01316.55
7.2.320.0070.01016.49
7.2.310.0060.01016.44
7.2.300.0100.01016.48
7.2.290.0060.01216.53
7.2.160.0080.00314.80
7.2.150.0040.01116.69
7.2.140.0030.00916.71
7.2.130.0120.00916.63
7.2.120.0090.00316.61
7.2.110.0100.00316.64
7.2.100.0080.00416.56
7.2.90.0240.00016.60
7.2.80.0040.01116.55
7.2.70.0110.00016.59
7.2.60.0100.01016.68
7.2.50.0100.01316.70
7.2.40.0100.01316.65
7.2.30.0100.00316.71
7.2.20.0130.00016.61
7.2.10.0030.01016.72
7.2.00.0060.01616.53
7.1.270.0100.01015.42
7.1.260.0070.00415.43
7.1.250.0100.01615.58

preferences:
56.98 ms | 400 KiB | 5 Q