3v4l.org

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

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)
8.3.70.0100.00716.50
8.3.60.0000.01518.27
8.3.50.0110.00821.02
8.3.40.0090.00618.60
8.3.30.0120.00318.38
8.3.20.0040.00418.98
8.3.10.0040.00421.81
8.3.00.0000.00819.06
8.2.180.0110.00716.63
8.2.170.0000.01522.96
8.2.160.0070.01022.19
8.2.150.0030.00524.18
8.2.140.0000.00724.66
8.2.130.0050.00319.76
8.2.120.0070.00026.35
8.2.110.0030.00720.35
8.2.100.0090.00317.78
8.2.90.0090.00017.63
8.2.80.0040.00417.97
8.2.70.0040.00417.91
8.2.60.0050.00318.00
8.2.50.0040.00418.10
8.2.40.0030.00520.50
8.2.30.0040.00419.17
8.2.20.0000.00717.98
8.2.10.0050.00217.99
8.2.00.0000.00717.50
8.1.280.0160.00325.92
8.1.270.0060.00322.20
8.1.260.0040.00428.09
8.1.250.0050.00328.09
8.1.240.0000.00923.92
8.1.230.0080.00818.91
8.1.220.0000.00917.74
8.1.210.0080.00018.77
8.1.200.0070.00317.36
8.1.190.0000.00916.98
8.1.180.0000.00818.10
8.1.170.0080.00018.51
8.1.160.0000.00718.96
8.1.150.0040.00420.25
8.1.140.0040.00419.50
8.1.130.0030.00317.68
8.1.120.0030.00317.40
8.1.110.0040.00417.26
8.1.100.0040.00417.42
8.1.90.0000.00817.31
8.1.80.0000.00717.42
8.1.70.0000.00717.41
8.1.60.0040.00417.42
8.1.50.0040.00417.37
8.1.40.0050.00317.34
8.1.30.0050.00317.58
8.1.20.0040.00417.58
8.1.10.0070.00017.30
8.1.00.0000.00817.36
8.0.300.0000.00719.82
8.0.290.0000.00716.58
8.0.280.0040.00418.25
8.0.270.0070.00017.20
8.0.260.0050.00317.27
8.0.250.0020.00516.88
8.0.240.0040.00416.91
8.0.230.0050.00316.76
8.0.220.0050.00216.82
8.0.210.0050.00216.79
8.0.200.0000.00816.91
8.0.190.0080.00016.79
8.0.180.0040.00416.77
8.0.170.0040.00416.73
8.0.160.0030.00516.84
8.0.150.0070.00016.77
8.0.140.0000.00816.81
8.0.130.0060.00013.27
8.0.120.0030.00516.80
8.0.110.0000.00716.60
8.0.100.0050.00316.81
8.0.90.0040.00416.84
8.0.80.0060.00916.83
8.0.70.0040.00416.69
8.0.60.0050.00216.73
8.0.50.0000.00716.71
8.0.30.0090.00816.95
8.0.20.0080.01117.40
8.0.10.0000.00716.96
8.0.00.0100.01316.73
7.4.330.0060.00015.55
7.4.320.0060.00016.42
7.4.300.0000.00716.47
7.4.290.0070.00016.42
7.4.280.0040.00416.43
7.4.270.0030.00616.59
7.4.260.0030.00516.51
7.4.250.0050.00316.36
7.4.240.0070.00016.53
7.4.230.0050.00316.55
7.4.220.0090.00616.41
7.4.210.0090.00616.55
7.4.200.0000.00816.33
7.4.160.0090.01016.43
7.4.150.0030.01417.40
7.4.140.0080.01317.86
7.4.130.0080.01016.40
7.4.120.0110.00716.42
7.4.110.0060.01016.46
7.4.100.0040.01616.31
7.4.90.0070.01016.30
7.4.80.0070.01019.39
7.4.70.0080.01216.55
7.4.60.0070.01016.38
7.4.50.0060.00916.13
7.4.40.0130.00316.57
7.4.30.0040.01416.23
7.4.00.0070.01014.41
7.3.330.0000.00512.88
7.3.320.0000.00513.01
7.3.310.0000.00716.25
7.3.300.0000.00716.14
7.3.290.0080.00816.13
7.3.280.0100.00916.14
7.3.270.0160.00317.40
7.3.260.0090.00816.23
7.3.250.0100.00816.16
7.3.240.0130.00616.30
7.3.230.0060.01016.39
7.3.210.0080.00816.50
7.3.200.0090.01216.33
7.3.190.0070.01016.49
7.3.180.0130.00716.38
7.3.170.0200.00316.08
7.3.160.0070.01016.12
7.3.10.0120.00316.50
7.3.00.0040.01216.49
7.2.330.0100.01016.44
7.2.320.0090.01216.54
7.2.310.0100.00716.37
7.2.300.0040.01916.26
7.2.290.0030.01416.61
7.2.130.0040.00716.74
7.2.120.0100.00316.66
7.2.110.0070.00316.92
7.2.100.0070.00316.57
7.2.90.0070.00716.66
7.2.80.0030.00916.82
7.2.70.0050.00516.77
7.2.60.0080.00516.63
7.2.50.0130.00516.81
7.2.40.0060.00616.80
7.2.30.0060.00916.74
7.2.20.0080.00816.70
7.2.10.0040.00416.85
7.2.00.0090.00316.65
7.1.250.0090.00315.69
7.1.200.0060.00615.58
7.1.70.0000.00717.13
7.1.60.0060.00617.13
7.1.50.0000.02116.84
7.1.40.0060.00616.56
7.1.30.0030.00916.39
7.1.20.0000.01116.86
7.1.10.0060.00316.43
7.1.00.0030.00516.46
7.0.200.0070.00016.83
7.0.190.0030.00616.57
7.0.180.0000.00816.03
7.0.170.0000.00716.27
7.0.160.0030.00716.11
7.0.150.0000.01516.28
7.0.140.0120.00316.14
7.0.130.0000.01116.52
7.0.120.0040.00416.64
7.0.110.0050.00516.00
7.0.100.0000.00716.20
7.0.90.0000.00816.46
7.0.80.0050.00316.34
7.0.70.0000.00816.11
7.0.60.0100.00016.15
7.0.50.0040.00416.27
7.0.40.0060.00315.99
7.0.30.0040.00415.99
7.0.20.0000.00815.99
7.0.10.0000.01015.99
7.0.00.0040.00715.99
5.6.300.0030.07820.83
5.6.290.0030.06320.64
5.6.280.0030.04920.86
5.6.270.0030.07520.76
5.6.260.0000.05320.85
5.6.250.0030.04320.85
5.6.240.0070.05420.85
5.6.230.0100.04020.87
5.6.220.0000.04520.78
5.6.210.0030.04421.04
5.6.200.0030.04320.82
5.6.190.0030.05320.82
5.6.180.0000.04520.95
5.6.170.0000.05121.01
5.6.160.0000.04420.76
5.6.150.0030.04320.82
5.6.140.0070.04020.84
5.6.130.0000.04721.01
5.6.120.0060.03821.04
5.6.110.0030.04320.93
5.6.100.0030.05620.79
5.6.90.0070.06620.80
5.6.80.0070.03420.23
5.6.70.0030.03820.25
5.6.60.0030.04120.18
5.6.50.0130.03120.11
5.6.40.0070.03920.30
5.6.30.0030.04020.28
5.6.20.0070.04020.17
5.6.10.0070.04320.18
5.6.00.0100.04020.19

preferences:
64.37 ms | 401 KiB | 5 Q