3v4l.org

run code in 300+ PHP versions simultaneously
<?php $emptyString = ''; $zeroInt = 0; $zeroString = '0'; var_dump(empty($emptyString)); var_dump(empty($zeroInt)); var_dump(empty($zeroString));

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)
8.3.60.0100.01018.18
8.3.50.0070.00718.07
8.3.40.0090.00618.48
8.3.30.0070.00718.53
8.3.20.0000.00818.81
8.3.10.0040.00421.83
8.3.00.0070.00023.66
8.2.180.0150.00018.05
8.2.170.0150.00322.96
8.2.160.0150.00018.91
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00417.97
8.2.120.0040.00426.35
8.2.110.0030.00621.94
8.2.100.0110.00017.78
8.2.90.0080.00017.50
8.2.80.0030.00817.97
8.2.70.0040.00417.68
8.2.60.0080.00017.80
8.2.50.0090.00018.10
8.2.40.0040.00419.24
8.2.30.0050.00219.17
8.2.20.0090.00018.08
8.2.10.0080.00019.48
8.2.00.0000.00719.36
8.1.280.0150.00625.92
8.1.270.0090.00020.36
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0050.00523.79
8.1.230.0040.00722.88
8.1.220.0040.00418.77
8.1.210.0030.00918.77
8.1.200.0060.00317.35
8.1.190.0040.00416.99
8.1.180.0050.00318.10
8.1.170.0000.00818.71
8.1.160.0000.00818.82
8.1.150.0020.00518.81
8.1.140.0040.00417.63
8.1.130.0040.00418.91
8.1.120.0030.00317.44
8.1.110.0030.00317.26
8.1.100.0030.00317.41
8.1.90.0000.00817.38
8.1.80.0070.00017.38
8.1.70.0030.00317.30
8.1.60.0000.01117.49
8.1.50.0050.00217.43
8.1.40.0040.00417.40
8.1.30.0080.00017.46
8.1.20.0070.00017.59
8.1.10.0040.00417.39
8.1.00.0000.00717.30
8.0.300.0000.00719.91
8.0.290.0040.00416.75
8.0.280.0070.00018.37
8.0.270.0000.00717.20
8.0.260.0000.00617.16
8.0.250.0080.00016.79
8.0.240.0030.00316.86
8.0.230.0070.00016.75
8.0.220.0030.00316.80
8.0.210.0000.00716.76
8.0.200.0060.00316.75
8.0.190.0030.00316.91
8.0.180.0040.00416.67
8.0.170.0030.00616.79
8.0.160.0040.00416.74
8.0.150.0050.00316.77
8.0.140.0030.00316.77
8.0.130.0000.00513.28
8.0.120.0040.00416.66
8.0.110.0000.00716.63
8.0.100.0040.00416.75
8.0.90.0040.00416.61
8.0.80.0020.01416.85
8.0.70.0040.00416.88
8.0.60.0040.00416.70
8.0.50.0040.00416.68
8.0.30.0150.00416.97
8.0.20.0160.00617.40
8.0.10.0070.00016.80
8.0.00.0120.00516.68
7.4.330.0060.00015.55
7.4.320.0000.00716.42
7.4.300.0030.00316.43
7.4.290.0000.00716.28
7.4.280.0060.00316.56
7.4.270.0080.00016.50
7.4.260.0000.00816.39
7.4.250.0030.00316.49
7.4.240.0000.00716.50
7.4.230.0000.00716.32
7.4.220.0030.00516.40
7.4.210.0060.01016.52
7.4.200.0070.00016.45
7.4.160.0070.00816.43
7.4.140.0110.00817.86
7.4.130.0070.01116.69
7.4.120.0090.01016.38
7.4.110.0100.01016.35
7.4.100.0190.00316.52
7.4.90.0000.01616.32
7.4.80.0120.01119.39
7.4.70.0090.00916.34
7.4.60.0080.01416.31
7.4.50.0070.00316.24
7.4.40.0110.00816.66
7.4.00.0060.01114.68
7.3.330.0060.00013.11
7.3.320.0000.00513.06
7.3.310.0040.00416.19
7.3.300.0000.00716.16
7.3.290.0030.00316.11
7.3.280.0050.01116.13
7.3.260.0110.00816.29
7.3.240.0120.00816.28
7.3.230.0100.00616.34
7.3.210.0120.00616.15
7.3.200.0130.00316.49
7.3.190.0030.01316.16
7.3.180.0060.00916.34
7.3.170.0120.00916.52
7.3.160.0110.00616.13
7.3.120.0040.01414.57
7.3.110.0050.01114.52
7.3.100.0030.00614.66
7.3.90.0070.00914.60
7.3.80.0090.00614.40
7.3.70.0050.01114.62
7.3.60.0090.00614.61
7.3.50.0120.00314.62
7.3.40.0050.00814.69
7.3.30.0080.00814.35
7.3.20.0050.00916.59
7.3.10.0060.00616.51
7.3.00.0090.00316.46
7.2.330.0040.01416.54
7.2.320.0140.00416.38
7.2.310.0060.00616.47
7.2.300.0060.01116.54
7.2.290.0060.00916.22
7.2.250.0080.00414.74
7.2.240.0100.00515.03
7.2.230.0050.01014.85
7.2.220.0100.00514.97
7.2.210.0050.01415.02
7.2.200.0050.01014.87
7.2.190.0080.00715.00
7.2.180.0110.00514.75
7.2.170.0040.01114.90
7.2.160.0060.00914.98
7.2.150.0040.00816.81
7.2.140.0030.01216.75
7.2.130.0000.01116.88
7.2.120.0070.01116.91
7.2.110.0130.00916.36
7.2.100.0070.01016.91
7.2.90.0070.00716.77
7.2.80.0130.00316.70
7.2.70.0080.00815.75
7.2.60.0080.00916.04
7.2.50.0100.00615.74
7.2.40.0120.00415.91
7.2.30.0090.00915.74
7.2.20.0170.00715.99
7.2.10.0130.00815.88
7.2.00.0050.01415.73
7.1.330.0020.01115.58
7.1.320.0030.01015.74
7.1.310.0080.00515.65
7.1.300.0090.00715.57
7.1.290.0050.01015.67
7.1.280.0020.00815.31
7.1.270.0040.00915.67
7.1.260.0020.01215.51
7.1.250.0030.01015.62
7.1.200.0040.00715.46
7.1.170.0150.01213.72
7.1.160.0120.00613.77
7.1.150.0110.00713.80
7.1.140.0150.00313.91
7.1.130.0130.00913.57
7.1.120.0160.00313.82
7.1.110.0140.00713.73
7.1.100.0210.00313.78
7.1.90.0110.00713.84
7.1.80.0140.00313.80
7.1.70.0180.00013.96
7.1.60.0190.01631.75
7.1.50.0230.01331.59
7.1.40.0260.01031.89
7.1.30.0300.00731.89
7.1.20.0270.00931.68
7.1.10.0190.00013.65
7.1.00.0980.00613.67

preferences:
53.93 ms | 401 KiB | 5 Q