3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo (int) empty(0) . "\n"; echo (int) empty(1) . "\n"; echo (int) empty("") . "\n"; echo (int) empty("hello") . "\n"; echo (int) empty(empty(empty(0)));

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)
8.3.60.0070.00718.27
8.3.50.0070.00921.95
8.3.40.0110.00418.54
8.3.30.0100.00718.79
8.3.20.0040.00420.16
8.3.10.0000.00722.04
8.3.00.0070.00422.52
8.2.180.0170.00016.38
8.2.170.0140.00722.96
8.2.160.0140.00021.00
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0090.00017.38
8.2.110.0030.00722.26
8.2.100.0090.00317.78
8.2.90.0000.00819.13
8.2.80.0000.00817.97
8.2.70.0000.00817.50
8.2.60.0040.00417.80
8.2.50.0090.00018.07
8.2.40.0000.00818.16
8.2.30.0040.00417.99
8.2.20.0070.00017.51
8.2.10.0000.00819.32
8.2.00.0030.00617.41
8.1.280.0070.01125.92
8.1.270.0040.00422.24
8.1.260.0050.00226.35
8.1.250.0080.00028.09
8.1.240.0030.00623.84
8.1.230.0000.01119.10
8.1.220.0060.00317.74
8.1.210.0030.00618.77
8.1.200.0030.00617.13
8.1.190.0050.00317.41
8.1.180.0050.00318.10
8.1.170.0000.00918.70
8.1.160.0070.00021.99
8.1.150.0040.00418.46
8.1.140.0040.00417.42
8.1.130.0070.00017.74
8.1.120.0000.00717.23
8.1.110.0070.00017.41
8.1.100.0070.00017.33
8.1.90.0050.00317.18
8.1.80.0050.00317.38
8.1.70.0000.00717.38
8.1.60.0030.00517.54
8.1.50.0000.00817.42
8.1.40.0030.00617.43
8.1.30.0040.00417.40
8.1.20.0060.00317.61
8.1.10.0040.00417.47
8.1.00.0080.00017.41
8.0.300.0050.00318.77
8.0.290.0060.00317.16
8.0.280.0000.00718.36
8.0.270.0070.00017.11
8.0.260.0030.00616.71
8.0.250.0030.00316.90
8.0.240.0000.00716.98
8.0.230.0000.00816.82
8.0.220.0000.00716.91
8.0.210.0000.00716.88
8.0.200.0030.00316.82
8.0.190.0070.00016.85
8.0.180.0030.00516.88
8.0.170.0030.00516.93
8.0.160.0050.00216.89
8.0.150.0000.00716.80
8.0.140.0030.00316.82
8.0.130.0000.00713.26
8.0.120.0040.00416.80
8.0.110.0030.00316.86
8.0.100.0000.00716.86
8.0.90.0030.00316.87
8.0.80.0060.00916.86
8.0.70.0040.00416.77
8.0.60.0000.00716.67
8.0.50.0000.00716.70
8.0.30.0080.01617.12
8.0.20.0130.00517.40
8.0.10.0040.00416.79
8.0.00.0120.00616.75
7.4.330.0050.00015.00
7.4.320.0000.00616.26
7.4.300.0040.00416.32
7.4.290.0060.00316.34
7.4.280.0030.00316.31
7.4.270.0030.00316.27
7.4.260.0030.00316.31
7.4.250.0050.00316.44
7.4.240.0050.00216.40
7.4.230.0020.00516.40
7.4.220.0060.01216.34
7.4.210.0070.00916.38
7.4.200.0080.00016.19
7.4.190.0070.00016.18
7.4.160.0080.01616.35
7.4.150.0140.00317.40
7.4.140.0040.01317.86
7.4.130.0120.00716.38
7.4.120.0050.01116.51
7.4.110.0060.01016.30
7.4.100.0080.00816.49
7.4.90.0170.00616.45
7.4.80.0060.01219.39
7.4.70.0080.01416.46
7.4.60.0160.00016.40
7.4.50.0000.00916.39
7.4.40.0080.00622.77
7.4.30.0090.00816.51
7.4.00.0060.00914.82
7.3.330.0030.00313.09
7.3.320.0000.00513.09
7.3.310.0030.00516.37
7.3.300.0050.00216.21
7.3.290.0000.01516.25
7.3.280.0060.01316.26
7.3.270.0080.01117.40
7.3.260.0130.00716.21
7.3.250.0110.00816.32
7.3.240.0070.01016.30
7.3.230.0070.01016.54
7.3.210.0110.00616.44
7.3.200.0170.00319.39
7.3.190.0070.01116.24
7.3.180.0060.00916.52
7.3.170.0070.01016.36
7.3.160.0100.00916.21
7.3.120.0090.00614.37
7.2.330.0060.01216.58
7.2.320.0100.00716.29
7.2.310.0130.00316.43
7.2.300.0130.00716.64
7.2.290.0090.00916.63
7.1.70.0000.01017.03
7.1.60.0050.01017.10
7.1.50.0120.00916.91
7.1.00.0070.07322.31
7.0.200.0040.01116.67
7.0.140.0000.07322.07
7.0.80.0070.05319.96
7.0.70.0630.08320.01
7.0.60.0700.07719.97
7.0.50.0530.08320.30
7.0.40.0000.08020.09
7.0.30.0130.07720.11
7.0.20.0030.09020.10
7.0.10.0030.08720.07
7.0.00.0070.08320.05
5.6.230.0130.06020.59
5.6.220.0030.05720.61
5.6.210.0000.08020.65
5.6.200.0130.05721.04
5.6.190.0030.08021.03
5.6.180.0070.07721.04
5.6.170.0170.07321.13
5.6.160.0100.07321.07
5.6.150.0100.07721.04
5.6.140.0000.09021.01
5.6.130.0170.07321.00
5.6.120.0030.08721.12
5.6.110.0070.08021.09
5.6.100.0070.08721.05
5.6.90.0130.08021.01
5.6.80.0000.07020.39
5.6.70.0130.06720.38
5.6.60.0170.06720.53
5.6.50.0000.05320.48
5.6.40.0030.07020.48
5.6.30.0130.07720.39
5.6.20.0100.07320.40
5.6.10.0200.05020.43
5.6.00.0030.08720.41
5.5.370.0100.07320.34
5.5.360.0130.07320.35
5.5.350.0000.05020.44
5.5.340.0000.04320.75
5.5.330.0070.08320.88
5.5.320.0030.06720.76
5.5.310.0070.06720.77
5.5.300.0070.07320.88
5.5.290.0030.06020.78
5.5.280.0070.05020.91
5.5.270.0130.06020.76
5.5.260.0030.07320.87
5.5.250.0030.06020.66
5.5.240.0130.07720.28
5.5.230.0070.07720.20
5.5.220.0100.07320.27
5.5.210.0070.06720.28
5.5.200.0030.08320.12
5.5.190.0000.05320.11
5.5.180.0100.07320.18
5.5.160.0100.07320.24
5.5.150.0100.07320.11
5.5.140.0070.06320.21
5.5.130.0100.04320.26
5.5.120.0070.07720.14
5.5.110.0000.06720.20
5.5.100.0130.07020.15
5.5.90.0070.07720.13
5.5.80.0000.05719.94
5.5.70.0130.07319.93
5.5.60.0070.05320.10
5.5.50.0200.05320.08
5.5.40.0130.07320.14
5.5.30.0030.07320.04
5.5.20.0030.07320.03
5.5.10.0030.08020.03
5.5.00.0070.07720.09
5.4.450.0000.08319.54
5.4.440.0070.05319.38
5.4.430.0030.08719.36
5.4.420.0070.05019.37
5.4.410.0070.07719.32
5.4.400.0030.08019.09
5.4.390.0000.07719.04
5.4.380.0070.08019.05
5.4.370.0070.05019.05
5.4.360.0000.08319.05
5.4.350.0070.07018.96
5.4.340.0100.08719.04
5.4.320.0100.07319.21
5.4.310.0030.07719.18
5.4.300.0030.06719.13
5.4.290.0030.05318.92
5.4.280.0070.04319.03
5.4.270.0130.07018.90
5.4.260.0070.08319.08
5.4.250.0030.08019.02
5.4.240.0100.07719.12
5.4.230.0070.08319.17
5.4.220.0100.04319.12
5.4.210.0100.07319.04
5.4.200.0130.07319.14
5.4.190.0070.08019.17
5.4.180.0000.04719.22
5.4.170.0070.07718.95
5.4.160.0130.06719.11
5.4.150.0030.08018.83
5.4.140.0000.08016.14
5.4.130.0070.07316.41
5.4.120.0100.05716.34
5.4.110.0170.05316.35
5.4.100.0070.05716.27
5.4.90.0000.05316.36
5.4.80.0070.03716.32
5.4.70.0030.03716.26
5.4.60.0070.03316.44
5.4.50.0030.03716.44
5.4.40.0070.03716.53
5.4.30.0030.03716.34
5.4.20.0030.06016.24
5.4.10.0000.04016.24
5.4.00.0070.03316.12
5.3.290.0170.07016.12
5.3.280.0030.07316.12
5.3.270.0070.08016.12
5.3.260.0070.08016.12
5.3.250.0030.07716.12
5.3.240.0070.08016.12
5.3.230.0070.08316.12
5.3.220.0030.07016.12
5.3.210.0030.04016.12
5.3.200.0000.04716.12
5.3.190.0070.03316.12
5.3.180.0030.04016.12
5.3.170.0030.03716.12
5.3.160.0100.06716.12
5.3.150.0030.04716.12
5.3.140.0130.03016.12
5.3.130.0100.03316.12
5.3.120.0070.03316.12
5.3.110.0070.03716.12
5.3.100.0030.04016.12
5.3.90.0000.04316.12
5.3.80.0070.03716.12
5.3.70.0070.03316.12
5.3.60.0000.04016.12
5.3.50.0070.04316.12
5.3.40.0030.04016.12
5.3.30.0070.03316.12
5.3.20.0070.03016.12
5.3.10.0070.05316.12
5.3.00.0030.03716.12
5.2.170.0030.03316.12
5.2.160.0070.05316.12
5.2.150.0000.03316.12
5.2.140.0000.03016.12
5.2.130.0030.02716.12
5.2.120.0000.03016.12
5.2.110.0070.05716.12
5.2.100.0070.03016.12
5.2.90.0030.03016.12
5.2.80.0000.03016.12
5.2.70.0030.03016.12
5.2.60.0070.02316.12
5.2.50.0030.03716.12
5.2.40.0070.05016.12
5.2.30.0000.03016.12
5.2.20.0030.03016.12
5.2.10.0030.03316.12
5.2.00.0070.04016.12
5.1.60.0000.02716.12
5.1.50.0000.05016.12
5.1.40.0030.02316.12
5.1.30.0030.02316.12
5.1.20.0000.02716.12
5.1.10.0070.02016.12
5.1.00.0030.02316.12
5.0.50.0000.03316.12
5.0.40.0000.04016.12
5.0.30.0070.04716.12
5.0.20.0030.02016.12
5.0.10.0100.01316.12
5.0.00.0030.03016.12
4.4.90.0000.01716.12
4.4.80.0030.01316.12
4.4.70.0000.01716.12
4.4.60.0000.01716.12
4.4.50.0030.02716.12
4.4.40.0000.02716.12
4.4.30.0030.01316.12
4.4.20.0030.01716.12
4.4.10.0030.01316.12
4.4.00.0000.02716.12
4.3.110.0030.01716.12
4.3.100.0030.01716.12
4.3.90.0000.01716.12
4.3.80.0000.04016.12
4.3.70.0000.03316.12
4.3.60.0000.01316.12
4.3.50.0030.02316.12
4.3.40.0000.04316.12
4.3.30.0030.01716.12
4.3.20.0000.01716.12
4.3.10.0030.03016.12
4.3.00.0000.02716.12

preferences:
40.82 ms | 401 KiB | 5 Q