3v4l.org

run code in 300+ PHP versions simultaneously
<?php $zero = '0'; var_dump(empty($zero)); $zerozero = '0.0'; var_dump(empty($zerozero));

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)
8.3.40.0150.00318.68
8.3.30.0090.00620.31
8.3.20.0070.00020.09
8.3.10.0090.00022.05
8.3.00.0040.00422.46
8.2.170.0080.01122.96
8.2.160.0070.00720.39
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00019.54
8.2.110.0030.00622.16
8.2.100.0070.00419.40
8.2.90.0000.00819.20
8.2.80.0070.00019.11
8.2.70.0090.00017.50
8.2.60.0050.00317.90
8.2.50.0030.00918.07
8.2.40.0040.00418.16
8.2.30.0040.00418.04
8.2.20.0000.00717.64
8.2.10.0000.00817.71
8.2.00.0000.00717.63
8.1.270.0080.00024.66
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00623.90
8.1.230.0080.00319.07
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0030.00617.13
8.1.190.0080.00017.18
8.1.180.0050.00220.24
8.1.170.0030.00518.48
8.1.160.0040.00422.10
8.1.150.0070.00018.50
8.1.140.0040.00417.42
8.1.130.0000.00717.81
8.1.120.0070.00017.35
8.1.110.0040.00417.36
8.1.100.0040.00417.40
8.1.90.0040.00417.37
8.1.80.0040.00417.30
8.1.70.0000.00717.33
8.1.60.0080.00017.44
8.1.50.0040.00417.37
8.1.40.0040.00417.43
8.1.30.0040.00417.53
8.1.20.0050.00317.57
8.1.10.0040.00417.41
8.1.00.0000.00717.34
8.0.300.0040.00418.77
8.0.290.0040.00416.93
8.0.280.0000.00818.37
8.0.270.0030.00417.09
8.0.260.0030.00316.61
8.0.250.0040.00416.96
8.0.240.0050.00316.78
8.0.230.0050.00216.92
8.0.220.0000.00816.84
8.0.210.0000.00716.81
8.0.200.0000.00616.86
8.0.190.0060.00316.77
8.0.180.0030.00416.82
8.0.170.0050.00316.79
8.0.160.0050.00316.94
8.0.150.0080.00016.73
8.0.140.0000.00716.68
8.0.130.0030.00313.21
8.0.120.0040.00416.75
8.0.110.0020.00516.72
8.0.100.0030.00516.66
8.0.90.0040.00416.74
8.0.80.0110.00316.82
8.0.70.0040.00416.71
8.0.60.0000.00716.90
8.0.50.0040.00416.71
8.0.30.0140.00516.83
8.0.20.0080.01117.40
8.0.10.0040.00416.81
8.0.00.0070.01416.59
7.4.330.0050.00015.00
7.4.320.0000.00616.35
7.4.300.0000.00616.28
7.4.290.0000.00716.57
7.4.280.0040.00416.51
7.4.270.0030.00316.45
7.4.260.0070.00016.27
7.4.250.0080.00016.46
7.4.240.0040.00316.43
7.4.230.0070.00016.61
7.4.220.0170.00316.59
7.4.210.0080.00816.46
7.4.200.0000.00716.63
7.4.190.0030.00516.70
7.4.160.0040.01116.26
7.4.150.0140.00617.40
7.4.140.0110.00617.86
7.4.130.0070.01016.28
7.4.120.0110.00616.27
7.4.110.0140.00416.55
7.4.100.0150.00316.17
7.4.90.0100.00716.40
7.4.80.0080.00819.39
7.4.70.0140.00516.55
7.4.60.0060.01116.16
7.4.50.0060.00316.23
7.4.40.0070.00722.77
7.4.30.0100.00516.42
7.4.00.0150.00015.03
7.3.330.0060.00012.97
7.3.320.0000.00612.98
7.3.310.0000.00716.26
7.3.300.0060.00015.95
7.3.290.0070.00716.12
7.3.280.0060.01016.12
7.3.270.0140.00317.40
7.3.260.0120.01216.07
7.3.250.0110.00616.24
7.3.240.0090.00616.17
7.3.230.0060.01216.39
7.3.210.0120.00416.15
7.3.200.0060.01619.39
7.3.190.0100.01116.43
7.3.180.0080.00816.27
7.3.170.0090.01216.27
7.3.160.0120.00616.09
7.3.120.0090.00314.34
7.2.330.0130.00416.59
7.2.320.0080.01616.58
7.2.310.0100.00716.67
7.2.300.0100.01616.27
7.2.290.0060.01216.42
7.1.70.0030.00916.88
7.1.60.0040.02219.43
7.1.50.0070.01616.58
7.1.00.0000.04722.54
7.0.200.0000.00816.55
7.0.140.0030.07322.09
7.0.60.0130.07319.99
7.0.50.0030.05317.80
7.0.40.0100.09019.98
7.0.30.0230.07020.00
7.0.20.0300.08020.02
7.0.10.0100.08319.99
7.0.00.0130.03320.00
5.6.280.0070.06720.97
5.6.210.0070.08020.52
5.6.200.0070.08718.21
5.6.190.0070.06320.64
5.6.180.4000.04320.57
5.6.170.0270.07320.41
5.6.160.0000.04320.38
5.6.150.0130.06318.11
5.6.140.0130.07718.21
5.6.130.0070.06318.18
5.6.120.0000.05021.13
5.6.110.0030.07721.08
5.6.100.0070.07721.00
5.6.90.0100.08320.94
5.6.80.0030.08020.28
5.6.70.0330.05720.43
5.5.350.0270.09020.38
5.5.340.0070.04017.91
5.5.330.0230.06720.37
5.5.320.0370.05320.24
5.5.310.0400.05720.23
5.5.300.0130.05318.02
5.5.290.0070.04017.94
5.5.280.0070.07020.64
5.5.270.0130.04020.78
5.5.260.0000.04320.96
5.5.250.0200.07020.68
5.5.240.0270.02320.26
5.4.450.0800.05319.47
5.4.440.1030.06319.63
5.4.430.1000.06319.44
5.4.420.1100.06719.09
5.4.410.0730.07719.46
5.4.400.0370.05018.49
5.4.390.0300.05718.61
5.4.380.0100.06018.55
5.4.370.0200.04718.77
5.4.360.0230.04318.66
5.4.350.0040.03811.97
5.4.340.0060.03911.97
5.4.320.0070.03712.45
5.4.310.0050.03912.45
5.4.300.0040.03912.45
5.4.290.0090.03412.45
5.4.280.0090.03412.32
5.4.270.0090.04212.32
5.4.260.0050.04412.32
5.4.250.0070.04512.32
5.4.240.0070.04212.32
5.4.230.0100.04212.31
5.4.220.0090.03812.31
5.4.210.0130.03712.31
5.4.200.0070.04412.31
5.4.190.0090.04412.31
5.4.180.0090.04112.30
5.4.170.0080.04112.32
5.4.160.0060.04212.31
5.4.150.0010.04412.31
5.4.140.0120.05712.00
5.4.130.0090.03811.98
5.4.120.0050.04011.94
5.4.110.0080.03811.94
5.4.100.0080.03611.93
5.4.90.0070.03811.94
5.4.80.0070.03811.93
5.4.70.0080.03711.93
5.4.60.0060.04011.93
5.4.50.0070.03711.93
5.4.40.0090.04611.92
5.4.30.0080.04011.92
5.4.20.0090.03611.92
5.4.10.0060.05211.92
5.4.00.0090.04911.41
5.3.290.0100.03512.80
5.3.280.0100.04712.71
5.3.270.0120.05712.72
5.3.260.0080.05212.72
5.3.250.0110.03512.71
5.3.240.0060.03812.72
5.3.230.0050.04112.70
5.3.220.0090.05412.68
5.3.210.0070.04112.68
5.3.200.0070.04112.68
5.3.190.0070.04212.68
5.3.180.0060.03712.68
5.3.170.0050.03912.67
5.3.160.0050.04112.68
5.3.150.0070.03812.68
5.3.140.0070.03512.66
5.3.130.0080.03812.66
5.3.120.0090.03612.66
5.3.110.0100.03612.66
5.3.100.0060.05412.12
5.3.90.0060.03912.08
5.3.80.0070.03812.07
5.3.70.0080.03612.07
5.3.60.0040.04012.06
5.3.50.0060.03612.00
5.3.40.0080.03712.00
5.3.30.0040.03911.93
5.3.20.0070.03611.70
5.3.10.0070.03911.66
5.3.00.0080.03611.66
5.2.170.0070.0299.15
5.2.160.0060.0339.15
5.2.150.0070.0319.15
5.2.140.0030.0339.15
5.2.130.0030.0319.11
5.2.120.0060.0289.11
5.2.110.0130.0319.12
5.2.100.0050.0349.11
5.2.90.0110.0379.11
5.2.80.0070.0609.11
5.2.70.0100.0509.10
5.2.60.0080.0419.05
5.2.50.0130.0569.03
5.2.40.0100.0539.00
5.2.30.0050.0438.98
5.2.20.0080.0328.97
5.2.10.0160.0418.89
5.2.00.0160.0548.75
5.1.60.0080.0308.04
5.1.50.0070.0298.04
5.1.40.0050.0288.02
5.1.30.0060.0338.37
5.1.20.0090.0288.39
5.1.10.0040.0328.12
5.1.00.0040.0338.12
5.0.50.0060.0326.59
5.0.40.0050.0256.45
5.0.30.0060.0376.27
5.0.20.0040.0336.24
5.0.10.0090.0446.21
5.0.00.0070.0476.20
4.4.90.0060.0384.77
4.4.80.0100.0334.76
4.4.70.0160.0364.75
4.4.60.0070.0364.75
4.4.50.0080.0224.77
4.4.40.0050.0284.71
4.4.30.0070.0174.76
4.4.20.0050.0214.85
4.4.10.0140.0194.85
4.4.00.0050.0324.76
4.3.110.0040.0254.67
4.3.100.0060.0204.66
4.3.90.0040.0214.64
4.3.80.0000.0404.58
4.3.70.0050.0214.63
4.3.60.0030.0224.63
4.3.50.0020.0184.63
4.3.40.0020.0274.54
4.3.30.0020.0183.26
4.3.20.0030.0163.24
4.3.10.0030.0163.21
4.3.00.0000.0237.32

preferences:
35.13 ms | 400 KiB | 5 Q