3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(empty(0)); var_dump(empty(1)); var_dump(empty('0')); var_dump(empty('1'));

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)
8.3.60.0160.00618.02
8.3.50.0060.00916.09
8.3.40.0200.00018.51
8.3.30.0040.01118.51
8.3.20.0040.00421.60
8.3.10.0080.00020.23
8.3.00.0060.00319.11
8.2.180.0140.00717.98
8.2.170.0140.00022.96
8.2.160.0030.01020.44
8.2.150.0070.00024.18
8.2.140.0000.00824.66
8.2.130.0030.00626.16
8.2.120.0140.00319.64
8.2.110.0100.00019.27
8.2.100.0080.00417.59
8.2.90.0040.00417.38
8.2.80.0040.00418.51
8.2.70.0080.00017.50
8.2.60.0050.00217.91
8.2.50.0030.00518.07
8.2.40.0060.00617.97
8.2.30.0030.00617.79
8.2.20.0000.00717.96
8.2.10.0000.00819.34
8.2.00.0020.00517.91
8.1.280.0070.01425.92
8.1.270.0040.00420.29
8.1.260.0090.00026.35
8.1.250.0000.00728.09
8.1.240.0030.01017.23
8.1.230.0040.00817.70
8.1.220.0060.00317.74
8.1.210.0000.00918.77
8.1.200.0050.00317.23
8.1.190.0000.00817.23
8.1.180.0050.00318.10
8.1.170.0040.00418.49
8.1.160.0000.00818.75
8.1.150.0030.00518.75
8.1.140.0040.00418.85
8.1.130.0030.00320.03
8.1.120.0030.00517.32
8.1.110.0000.00817.32
8.1.100.0000.00717.31
8.1.90.0040.00417.21
8.1.80.0000.00717.15
8.1.70.0070.00017.37
8.1.60.0050.00317.42
8.1.50.0060.00317.26
8.1.40.0000.00817.37
8.1.30.0040.00417.55
8.1.20.0000.00817.38
8.1.10.0030.00617.38
8.1.00.0000.00817.23
8.0.300.0040.00418.77
8.0.290.0040.00416.58
8.0.280.0050.00318.25
8.0.270.0030.00317.03
8.0.260.0060.00018.29
8.0.250.0000.00716.75
8.0.240.0000.00816.72
8.0.230.0040.00416.79
8.0.220.0000.00716.75
8.0.210.0030.00316.79
8.0.200.0030.00316.77
8.0.190.0040.00416.69
8.0.180.0050.00316.67
8.0.170.0040.00416.83
8.0.160.0000.00716.82
8.0.150.0000.00716.72
8.0.140.0030.00716.71
8.0.130.0030.00313.19
8.0.120.0000.00716.73
8.0.110.0000.00816.70
8.0.100.0050.00316.60
8.0.90.0040.00416.82
8.0.80.0080.01016.76
8.0.70.0040.00416.70
8.0.60.0070.00016.87
8.0.50.0040.00416.80
8.0.30.0100.01016.82
8.0.20.0100.01316.99
8.0.10.0040.00416.91
8.0.00.0130.00516.51
7.4.330.0060.00015.55
7.4.320.0000.00716.37
7.4.300.0060.00016.45
7.4.290.0020.00516.36
7.4.280.0000.00816.44
7.4.270.0050.00316.38
7.4.260.0000.00816.32
7.4.250.0000.00716.29
7.4.240.0030.00616.45
7.4.230.0000.00716.29
7.4.220.0080.00016.26
7.4.210.0050.01216.36
7.4.200.0000.00716.16
7.4.160.0090.00916.44
7.4.140.0060.01017.86
7.4.130.0070.01116.53
7.4.120.0090.01316.48
7.4.110.0030.01316.36
7.4.100.0170.00616.23
7.4.90.0050.01616.23
7.4.80.0100.01019.39
7.4.70.0130.00416.36
7.4.60.0120.00416.29
7.4.50.0030.01016.18
7.4.40.0050.01416.45
7.4.10.0110.00714.73
7.4.00.0060.00814.63
7.3.330.0060.00013.00
7.3.320.0060.00012.96
7.3.310.0040.00416.09
7.3.300.0060.00016.16
7.3.290.0070.00016.16
7.3.280.0080.01216.08
7.3.260.0120.00616.27
7.3.240.0110.00716.28
7.3.230.0110.00616.44
7.3.210.0100.00616.35
7.3.200.0070.01016.36
7.3.190.0100.00616.30
7.3.180.0080.00816.36
7.3.170.0060.01516.11
7.3.160.0130.00316.34
7.3.130.0110.00414.32
7.3.120.0100.00714.61
7.3.110.0150.00614.59
7.3.100.0140.00014.18
7.3.90.0060.00614.80
7.3.80.0050.00514.83
7.3.70.0080.00414.58
7.3.60.0030.01214.78
7.3.50.0090.00614.48
7.3.40.0070.00414.66
7.3.30.0070.00714.47
7.3.20.0320.00815.26
7.3.10.0420.00615.50
7.3.00.0670.00715.43
7.2.330.0110.00616.42
7.2.320.0040.01416.24
7.2.310.0130.00316.34
7.2.300.0130.00316.48
7.2.290.0180.00316.23
7.2.260.0030.01314.69
7.2.250.0030.00814.85
7.2.240.0070.00714.99
7.2.230.0070.01015.01
7.2.220.0060.00914.73
7.2.210.0110.00314.87
7.2.200.0040.01114.69
7.2.190.0000.01314.80
7.2.180.0090.00914.85
7.2.170.0070.00714.72
7.2.160.0000.01414.87
7.2.150.0350.00315.75
7.2.140.0370.00615.78
7.2.130.0350.00515.77
7.2.120.0310.00815.54
7.2.110.0300.01015.60
7.2.100.0580.00715.80
7.2.90.0380.00815.66
7.2.80.0440.00515.70
7.2.70.0280.00915.59
7.2.60.0280.00715.85
7.2.50.0100.00515.73
7.2.40.0380.00315.89
7.2.30.0100.00615.84
7.2.20.0350.00615.72
7.2.10.0340.00915.76
7.2.00.0380.00815.66
7.1.330.0030.01015.69
7.1.320.0000.01715.51
7.1.310.0040.00815.49
7.1.300.0110.00415.34
7.1.290.0090.00315.56
7.1.280.0000.01415.68
7.1.270.0030.01015.40
7.1.260.0000.01315.71
7.1.250.0330.00714.66
7.1.240.0060.00915.84
7.1.230.0100.00315.49
7.1.220.0030.00615.55
7.1.210.0000.01415.47
7.1.200.0080.00315.54
7.1.190.0120.00315.36
7.1.180.0110.00615.67
7.1.170.0070.01015.52
7.1.160.0030.01015.63
7.1.150.0110.00015.61
7.1.140.0090.00615.39
7.1.130.0040.01415.67
7.1.120.0000.01315.81
7.1.110.0070.01015.69
7.1.100.0060.00615.45
7.1.90.0030.00515.52
7.1.80.0000.01215.58
7.1.70.0040.00815.66
7.1.60.0070.00715.77
7.1.50.0000.01215.80
7.1.40.0030.00915.63
7.1.30.0060.00615.77
7.1.20.0080.00315.48
7.1.10.0030.01015.78
7.1.00.0060.00915.49

preferences:
57.78 ms | 401 KiB | 5 Q