3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(null === trim("")); var_dump(empty(""));

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)
8.3.70.0070.00718.43
8.3.60.0200.00318.30
8.3.50.0090.00916.44
8.3.40.0140.00018.70
8.3.30.0150.00018.55
8.3.20.0030.00620.07
8.3.10.0040.00421.76
8.3.00.0040.00422.03
8.2.180.0140.00717.96
8.2.170.0140.00022.96
8.2.160.0070.00718.91
8.2.150.0070.00024.18
8.2.140.0000.00724.66
8.2.130.0030.00619.27
8.2.120.0070.00026.35
8.2.110.0070.00319.26
8.2.100.0030.00519.67
8.2.90.0000.00719.17
8.2.80.0080.00017.97
8.2.70.0070.00417.93
8.2.60.0000.00917.90
8.2.50.0040.00418.10
8.2.40.0080.00020.60
8.2.30.0050.00320.91
8.2.20.0000.00717.86
8.2.10.0050.00317.91
8.2.00.0000.00817.98
8.1.280.0140.00425.92
8.1.270.0070.00021.95
8.1.260.0030.00526.35
8.1.250.0050.00328.09
8.1.240.0000.00923.92
8.1.230.0040.00720.97
8.1.220.0060.00317.74
8.1.210.0060.00618.77
8.1.200.0000.00817.23
8.1.190.0040.00417.10
8.1.180.0000.00818.10
8.1.170.0030.00618.50
8.1.160.0000.00718.91
8.1.150.0070.00018.69
8.1.140.0070.00019.30
8.1.130.0000.00718.68
8.1.120.0040.00417.34
8.1.110.0070.00017.27
8.1.100.0040.00417.31
8.1.90.0070.00017.31
8.1.80.0070.00017.34
8.1.70.0030.00517.36
8.1.60.0000.00817.34
8.1.50.0050.00317.27
8.1.40.0040.00417.35
8.1.30.0030.00617.44
8.1.20.0050.00217.48
8.1.10.0000.00817.29
8.1.00.0070.00017.23
8.0.300.0070.00319.65
8.0.290.0040.00416.58
8.0.280.0030.00318.32
8.0.270.0040.00417.04
8.0.260.0030.00316.71
8.0.250.0000.00616.86
8.0.240.0070.00016.83
8.0.230.0000.00716.77
8.0.220.0030.00316.79
8.0.210.0040.00416.82
8.0.200.0030.00316.78
8.0.190.0040.00416.82
8.0.180.0070.00016.69
8.0.170.0000.00716.78
8.0.160.0040.00416.77
8.0.150.0030.00316.78
8.0.140.0070.00016.74
8.0.130.0030.00313.16
8.0.120.0050.00216.76
8.0.110.0000.00816.61
8.0.100.0050.00216.63
8.0.90.0040.00416.73
8.0.80.0140.00516.74
8.0.70.0030.00416.61
8.0.60.0040.00416.57
8.0.50.0000.00816.59
8.0.30.0090.00916.89
8.0.20.0080.01117.40
8.0.10.0040.00416.78
8.0.00.0050.01416.40
7.4.330.0000.00515.55
7.4.320.0000.00616.34
7.4.300.0060.00016.42
7.4.290.0070.00016.42
7.4.280.0040.00416.55
7.4.270.0000.00616.41
7.4.260.0000.00816.50
7.4.250.0000.00716.40
7.4.240.0070.00016.48
7.4.230.0000.00616.54
7.4.220.0090.01216.33
7.4.210.0090.00816.54
7.4.200.0000.00716.57
7.4.160.0020.01416.60
7.4.150.0030.01317.40
7.4.140.0110.00817.86
7.4.130.0060.01216.38
7.4.120.0110.01016.31
7.4.110.0170.00716.51
7.4.100.0130.01016.35
7.4.90.0120.00916.48
7.4.80.0090.01519.39
7.4.70.0140.00716.29
7.4.60.0160.00016.46
7.4.50.0090.00316.15
7.4.40.0090.00616.46
7.4.30.0150.00616.39
7.4.00.0030.01215.08
7.3.330.0060.00012.99
7.3.320.0080.00012.91
7.3.310.0070.00016.32
7.3.300.0040.00416.21
7.3.290.0040.00416.20
7.3.280.0090.00816.17
7.3.270.0070.01017.40
7.3.260.0090.00816.17
7.3.250.0090.00716.20
7.3.240.0090.00916.39
7.3.230.0080.01216.44
7.3.210.0090.00616.51
7.3.200.0070.01016.19
7.3.190.0060.01216.48
7.3.180.0130.00316.04
7.3.170.0060.00916.18
7.3.160.0060.00916.25
7.2.330.0100.00616.32
7.2.320.0130.00616.29
7.2.310.0130.00316.39
7.2.300.0110.00516.44
7.2.290.0060.01016.27
7.2.60.0040.01116.65
7.2.00.0030.00919.03
7.1.200.0140.00015.75
7.1.100.0000.01117.85
7.1.70.0070.00717.00
7.1.60.0140.01734.93
7.1.50.0270.00634.65
7.1.40.0240.00734.21
7.1.30.0280.00334.38
7.1.20.0160.01634.54
7.1.10.0040.01116.43
7.1.00.0060.01516.76
7.0.200.0030.01116.82
7.0.190.0070.00716.61
7.0.180.0100.00315.93
7.0.170.0040.01116.11
7.0.160.0080.00816.22
7.0.150.0000.01416.09
7.0.140.0000.01316.16
7.0.130.0070.00716.35
7.0.120.0030.01016.48
7.0.110.0040.01116.13
7.0.100.0090.00516.08
7.0.90.0090.00616.23
7.0.80.0060.00616.30
7.0.70.0090.00616.23
7.0.60.0100.00315.82
7.0.50.0030.01016.45
7.0.40.0080.00616.18
7.0.30.0030.01016.31
7.0.20.0030.01016.23
7.0.10.0120.00316.25
7.0.00.0030.01116.29

preferences:
41.23 ms | 401 KiB | 5 Q