3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = '0000000'; var_dump(empty((int)$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)
8.3.70.0070.00718.08
8.3.60.0150.00616.23
8.3.50.0150.00521.28
8.3.40.0030.01018.71
8.3.30.0040.01118.42
8.3.20.0100.01018.56
8.3.10.0000.00821.75
8.3.00.0080.00017.91
8.2.180.0100.00716.75
8.2.170.0070.00722.96
8.2.160.0090.00920.89
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0080.00018.09
8.2.120.0000.00726.35
8.2.110.0040.00719.26
8.2.100.0070.00717.75
8.2.90.0040.00419.21
8.2.80.0050.00317.97
8.2.70.0000.00817.25
8.2.60.0080.00018.03
8.2.50.0050.00318.07
8.2.40.0000.00818.09
8.2.30.0070.00018.11
8.2.20.0000.00717.58
8.2.10.0040.00418.04
8.2.00.0070.00018.00
8.1.280.0030.01325.92
8.1.270.0030.00623.88
8.1.260.0070.00028.09
8.1.250.0040.00428.09
8.1.240.0040.00422.81
8.1.230.0090.00317.55
8.1.220.0030.00617.79
8.1.210.0060.00318.77
8.1.200.0060.00317.35
8.1.190.0040.00417.22
8.1.180.0020.00518.10
8.1.170.0130.00018.49
8.1.160.0000.00722.06
8.1.150.0040.00418.74
8.1.140.0060.00317.41
8.1.130.0030.00317.60
8.1.120.0040.00417.31
8.1.110.0030.00517.40
8.1.100.0070.00017.39
8.1.90.0030.00517.34
8.1.80.0070.00017.35
8.1.70.0030.00317.43
8.1.60.0060.00617.58
8.1.50.0030.00517.39
8.1.40.0000.00817.50
8.1.30.0060.00317.54
8.1.20.0080.00017.53
8.1.10.0000.00817.42
8.1.00.0000.00817.34
8.0.300.0070.00018.77
8.0.290.0040.00416.58
8.0.280.0000.00818.43
8.0.270.0030.00316.82
8.0.260.0030.00317.24
8.0.250.0000.00716.84
8.0.240.0050.00216.98
8.0.230.0000.00716.91
8.0.220.0000.00716.88
8.0.210.0030.00316.88
8.0.200.0000.00716.96
8.0.190.0000.00716.94
8.0.180.0040.00416.88
8.0.170.0000.00816.85
8.0.160.0050.00316.86
8.0.150.0040.00416.85
8.0.140.0000.00816.78
8.0.130.0040.00413.33
8.0.120.0040.00416.82
8.0.110.0050.00316.84
8.0.100.0020.00516.86
8.0.90.0040.00416.88
8.0.80.0090.00616.92
8.0.70.0000.00716.84
8.0.60.0030.00516.95
8.0.50.0030.00616.77
8.0.30.0100.00916.96
8.0.20.0100.00817.40
8.0.10.0040.00417.06
8.0.00.0070.01516.97
7.4.330.0000.00615.08
7.4.320.0030.00316.50
7.4.300.0030.00316.49
7.4.290.0070.00016.39
7.4.280.0000.00916.48
7.4.270.0040.00216.50
7.4.260.0070.00016.61
7.4.250.0070.00016.46
7.4.240.0000.01016.55
7.4.230.0030.00316.39
7.4.220.0090.01216.44
7.4.210.0060.00916.66
7.4.200.0030.00316.59
7.4.160.0070.01116.49
7.4.150.0070.01717.40
7.4.140.0050.01617.86
7.4.130.0150.00116.48
7.4.120.0070.01016.39
7.4.110.0070.01016.43
7.4.100.0090.00616.61
7.4.90.0060.01216.39
7.4.80.0100.00619.39
7.4.70.0090.01216.45
7.4.60.0120.00616.38
7.4.50.0030.01116.40
7.4.40.0120.00916.38
7.4.30.0090.00616.67
7.4.10.0030.01016.21
7.4.00.0060.01215.56
7.3.330.0000.00713.02
7.3.320.0000.00613.01
7.3.310.0030.00316.26
7.3.300.0060.00016.13
7.3.290.0060.01116.18
7.3.280.0120.00516.20
7.3.270.0100.00717.40
7.3.260.0110.00916.27
7.3.250.0120.01116.21
7.3.240.0070.01016.39
7.3.230.0110.00816.39
7.3.210.0040.01216.39
7.3.200.0080.00819.39
7.3.190.0120.00616.29
7.3.180.0120.00516.12
7.3.170.0030.01316.39
7.3.160.0110.00416.43
7.3.130.0110.00716.07
7.3.120.0040.01016.20
7.3.110.0070.00716.20
7.3.100.0040.01216.24
7.3.90.0000.01016.13
7.3.80.0000.01216.40
7.3.70.0070.00416.28
7.3.60.0100.00316.23
7.3.50.0030.01016.28
7.3.40.0040.01216.33
7.3.30.0040.00716.05
7.3.20.0060.00318.00
7.3.10.0040.00717.99
7.3.00.0060.00617.99
7.2.330.0070.01016.42
7.2.320.0100.00716.40
7.2.310.0130.00316.54
7.2.300.0100.01016.50
7.2.290.0090.00916.32
7.2.260.0030.01016.61
7.2.250.0100.00616.28
7.2.240.0100.00316.58
7.2.230.0080.00416.52
7.2.220.0030.00616.46
7.2.210.0060.01016.54
7.2.200.0000.01516.38
7.2.190.0030.01016.36
7.2.180.0070.00716.51
7.2.170.0040.00816.51
7.2.160.0060.00316.50
7.2.150.0070.00718.02
7.2.140.0030.00918.48
7.2.130.0070.00818.48
7.2.120.0050.00518.20
7.2.110.0060.00817.48
7.2.100.0070.00717.43
7.2.90.0070.00817.37
7.2.80.0070.00517.53
7.2.70.0090.00417.60
7.2.60.0040.00917.26
7.2.50.0030.00617.45
7.2.40.0070.00917.36
7.2.30.0060.00417.42
7.2.20.0040.00917.50
7.2.10.0040.01017.60
7.2.00.0030.00817.39
7.1.330.0000.01117.09
7.1.320.0030.00617.16
7.1.310.0000.01417.29
7.1.300.0030.00617.10
7.1.290.0040.01217.19
7.1.280.0090.00617.04
7.1.270.0060.00617.28
7.1.260.0030.01217.04
7.1.250.0040.00717.09
7.1.240.0040.01117.18
7.1.230.0080.00616.24
7.1.220.0030.00816.46
7.1.210.0060.00816.37
7.1.200.0030.00715.96
7.1.190.0030.01016.37
7.1.180.0090.00316.46
7.1.170.0060.00816.53
7.1.160.0020.01116.47
7.1.150.0030.01116.41
7.1.140.0020.01316.38
7.1.130.0030.01116.54
7.1.120.0060.00716.39
7.1.110.0060.00616.31
7.1.100.0310.00416.35
7.1.90.0060.00716.49
7.1.80.0060.00516.45
7.1.70.0100.00616.68
7.1.60.0040.01417.45
7.1.50.0090.00516.53
7.1.40.0030.00816.42
7.1.30.0090.00516.48
7.1.20.0100.00316.50
7.1.10.0030.01216.48
7.1.00.0050.03118.39
7.0.330.0000.01216.99
7.0.320.0070.00717.02
7.0.310.0100.00316.12
7.0.300.0020.01016.13
7.0.290.0060.00316.08
7.0.280.0090.00516.08
7.0.270.0050.00516.21
7.0.260.0000.01216.06
7.0.250.0050.00916.21
7.0.240.0070.00616.29
7.0.230.0060.00716.26
7.0.220.0090.00516.17
7.0.210.0050.00916.27
7.0.200.0070.00416.26
7.0.190.0050.00716.18
7.0.180.0050.00816.19
7.0.170.0030.00916.17
7.0.160.0030.01216.34
7.0.150.0040.01316.16
7.0.140.0040.01116.18
7.0.130.0070.00516.23
7.0.120.0030.00916.01
7.0.110.0070.00416.11
7.0.100.0050.01116.29
7.0.90.0090.00516.27
7.0.80.0080.00516.21
7.0.70.0060.00616.16
7.0.60.0050.02417.99
7.0.50.0110.03117.61
7.0.40.0080.03016.19
7.0.30.0150.02216.12
7.0.20.0110.02716.23
7.0.10.0120.02216.18
7.0.00.0080.03316.21
5.6.400.0090.00615.87
5.6.390.0030.00515.81
5.6.380.0020.01114.93
5.6.370.0060.00514.93
5.6.360.0080.00515.04
5.6.350.0070.00815.01
5.6.340.0090.00514.92
5.6.330.0040.00915.05
5.6.320.0050.00615.07
5.6.310.0070.00714.96
5.6.300.0060.01015.12
5.6.290.0050.00715.03
5.6.280.0060.02916.98
5.6.270.0050.00715.10
5.6.260.0080.00615.02
5.6.250.0080.00615.01
5.6.240.0060.00815.02
5.6.230.0070.00914.91
5.6.220.0050.00815.17
5.6.210.0050.02216.83
5.6.200.0090.02517.08
5.6.190.0090.02717.07
5.6.180.0120.03116.88
5.6.170.0090.02717.02
5.6.160.0110.02716.98
5.6.150.0120.02217.04
5.6.140.0080.02916.97
5.6.130.0140.01917.04
5.6.120.0070.02716.93
5.6.110.0080.02416.95
5.6.100.0070.03317.03
5.6.90.0060.02717.01
5.6.80.0120.01916.81
5.6.70.0130.01916.73
5.6.60.0070.02416.63
5.6.50.0080.02216.81
5.6.40.0120.01916.64
5.6.30.0080.02316.69
5.6.20.0070.02116.80
5.6.10.0070.02516.76
5.6.00.0090.02416.71
5.5.380.0030.00514.23
5.5.370.0070.00614.27
5.5.360.0050.00514.32
5.5.350.0170.02416.27
5.5.340.0090.02116.38
5.5.330.0090.02516.44
5.5.320.0060.02516.46
5.5.310.0120.02016.50
5.5.300.0090.02516.43
5.5.290.0110.02116.47
5.5.280.0080.02516.44
5.5.270.0070.02716.36
5.5.260.0090.02116.40
5.5.250.0090.02316.43
5.5.240.0100.02116.27
5.5.230.0070.02416.14
5.5.220.0060.02516.23
5.5.210.0050.02616.13
5.5.200.0090.02316.22
5.5.190.0070.02416.23
5.5.180.0090.02416.17
5.5.170.0030.01214.90
5.5.160.0060.02816.22
5.5.150.0040.02516.21
5.5.140.0090.02416.20
5.5.130.0100.01916.11
5.5.120.0080.02116.10
5.5.110.0150.01716.18
5.5.100.0040.02816.20
5.5.90.0080.02316.04
5.5.80.0080.02216.09
5.5.70.0050.02516.18
5.5.60.0050.02316.11
5.5.50.0080.02316.12
5.5.40.0090.02116.15
5.5.30.0060.02516.13
5.5.20.0110.02016.14
5.5.10.0070.02316.07
5.5.00.0110.02016.10

preferences:
82.21 ms | 401 KiB | 5 Q