3v4l.org

run code in 300+ PHP versions simultaneously
<?php if(empty($var)){ } if(true === empty($var)){ }

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)
8.3.70.0090.00918.18
8.3.60.0160.00618.30
8.3.50.0110.00416.64
8.3.40.0040.01118.49
8.3.30.0040.01418.36
8.3.20.0040.00421.89
8.3.10.0080.00020.36
8.3.00.0050.00317.38
8.2.190.0090.00916.58
8.2.180.0150.00418.16
8.2.170.0070.00722.96
8.2.160.0030.01020.38
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0070.00021.00
8.2.110.0110.00420.95
8.2.100.0080.00317.72
8.2.90.0000.00817.97
8.2.80.0080.00017.97
8.2.70.0000.00717.91
8.2.60.0000.00818.09
8.2.50.0000.00818.10
8.2.40.0060.00319.30
8.2.30.0040.00419.13
8.2.20.0070.00018.02
8.2.10.0040.00419.29
8.2.00.0040.00417.91
8.1.280.0130.01025.92
8.1.270.0040.00420.38
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0070.01122.46
8.1.230.0110.00020.86
8.1.220.0040.00417.74
8.1.210.0000.00818.90
8.1.200.0030.00617.23
8.1.190.0050.00317.10
8.1.180.0000.00818.10
8.1.170.0060.00318.57
8.1.160.0040.00418.66
8.1.150.0070.00018.72
8.1.140.0040.00418.92
8.1.130.0040.00420.13
8.1.120.0070.00017.34
8.1.110.0040.00417.30
8.1.100.0040.00417.36
8.1.90.0070.00017.17
8.1.80.0040.00417.30
8.1.70.0030.00317.27
8.1.60.0040.00717.51
8.1.50.0000.00817.38
8.1.40.0090.00017.28
8.1.30.0000.00817.45
8.1.20.0060.00317.45
8.1.10.0000.00717.31
8.1.00.0000.00917.24
8.0.300.0080.00019.77
8.0.290.0000.00816.63
8.0.280.0070.00018.37
8.0.270.0040.00417.13
8.0.260.0000.00618.31
8.0.250.0030.00316.77
8.0.240.0030.00316.83
8.0.230.0000.00816.82
8.0.220.0080.00016.65
8.0.210.0030.00616.74
8.0.200.0000.00716.79
8.0.190.0030.00316.71
8.0.180.0040.00416.66
8.0.170.0060.00316.68
8.0.160.0040.00416.75
8.0.150.0000.00716.70
8.0.140.0000.00716.74
8.0.130.0060.00013.19
8.0.120.0040.00416.72
8.0.110.0000.00816.76
8.0.100.0030.00316.67
8.0.90.0070.00016.66
8.0.80.0040.01216.76
8.0.70.0080.00016.61
8.0.60.0070.00016.54
8.0.50.0030.00316.59
8.0.30.0100.01116.85
8.0.20.0100.01016.74
8.0.10.0080.00016.79
8.0.00.0120.00716.60
7.4.330.0000.00415.55
7.4.320.0000.00616.45
7.4.300.0000.00616.44
7.4.290.0030.00316.53
7.4.280.0040.00416.44
7.4.270.0090.00516.54
7.4.260.0030.00516.34
7.4.250.0000.00816.50
7.4.240.0040.00416.44
7.4.230.0000.00716.55
7.4.220.0030.00516.53
7.4.210.0080.00816.53
7.4.200.0070.00016.34
7.4.160.0060.01116.37
7.4.140.0000.01617.86
7.4.130.0130.00616.58
7.4.120.0120.00916.24
7.4.110.0150.00316.30
7.4.100.0070.01016.27
7.4.90.0130.00316.47
7.4.80.0090.00919.39
7.4.70.0100.00716.32
7.4.60.0140.00316.43
7.4.50.0070.01016.52
7.4.40.0100.01316.44
7.4.00.0050.01214.95
7.3.330.0060.00013.11
7.3.320.0050.00013.06
7.3.310.0040.00416.14
7.3.300.0000.00616.23
7.3.290.0060.00016.16
7.3.280.0090.00616.21
7.3.260.0110.00916.28
7.3.230.0110.00616.46
7.3.210.0130.00316.38
7.3.200.0100.00616.35
7.3.190.0070.01316.24
7.3.180.0030.01316.50
7.3.170.0080.00816.13
7.3.160.0080.00816.17
7.3.120.0000.01414.70
7.3.110.0070.00715.02
7.3.100.0030.01014.59
7.3.90.0040.00814.86
7.3.80.0120.00315.05
7.3.70.0030.00714.73
7.3.60.0030.01414.84
7.3.50.0060.01314.63
7.3.40.0090.00314.82
7.3.30.0140.00714.80
7.3.20.0030.00916.69
7.3.10.0300.00815.53
7.3.00.0340.01015.64
7.2.330.0110.00616.72
7.2.320.0170.00716.38
7.2.310.0170.00016.67
7.2.300.0140.00316.71
7.2.290.0070.01316.64
7.2.250.0120.00615.00
7.2.240.0070.01314.96
7.2.230.0090.00914.82
7.2.220.0030.01015.16
7.2.210.0100.01015.09
7.2.200.0030.00914.66
7.2.190.0000.01415.10
7.2.180.0030.01014.90
7.2.170.0030.01014.80
7.2.130.0550.01014.77
7.2.120.0650.00015.11
7.2.110.0510.00614.96
7.2.100.0400.00314.84
7.2.90.0470.00314.93
7.2.80.0390.01615.20
7.2.70.0430.01315.07
7.2.60.0430.00714.98
7.2.50.0610.00714.92
7.2.40.0590.00714.87
7.2.30.0470.00715.00
7.2.20.0590.00714.97
7.2.10.0370.00715.13
7.2.00.0460.01015.02
7.1.330.0000.01415.62
7.1.320.0060.00915.86
7.1.310.0030.01015.69
7.1.300.0000.01415.49
7.1.290.0070.00715.75
7.1.280.0030.01315.43
7.1.270.0130.00715.77
7.1.260.0000.00915.59
7.1.250.0620.01113.81

preferences:
53.36 ms | 401 KiB | 5 Q