3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "0"; echo "'0' is empty? ",empty($a),"\n"; echo "'' == '0'? "; var_dump("" == "0"); echo "FALSE == '' and FALSE == '0'? "; var_dump(FALSE == ""); var_dump(FALSE == "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)
8.3.60.0070.00716.63
8.3.50.0150.00522.10
8.3.40.0120.00318.56
8.3.30.0090.00618.98
8.3.20.0000.00720.31
8.3.10.0030.00523.52
8.3.00.0080.00022.42
8.2.180.0070.00716.35
8.2.170.0140.00022.96
8.2.160.0070.00720.43
8.2.150.0000.00724.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0050.00319.67
8.2.110.0030.00720.93
8.2.100.0000.01118.09
8.2.90.0040.00719.21
8.2.80.0030.00517.97
8.2.70.0090.00317.50
8.2.60.0040.00418.04
8.2.50.0060.00318.10
8.2.40.0040.00420.45
8.2.30.0000.00720.95
8.2.20.0000.00817.65
8.2.10.0000.00819.46
8.2.00.0080.00017.60
8.1.280.0100.01025.92
8.1.270.0040.01123.80
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0040.00422.55
8.1.230.0070.00420.31
8.1.220.0000.00717.79
8.1.210.0050.00318.77
8.1.200.0060.00317.23
8.1.190.0000.00817.10
8.1.180.0000.00818.10
8.1.170.0000.00818.66
8.1.160.0000.00718.85
8.1.150.0000.00719.96
8.1.140.0000.00817.30
8.1.130.0030.00317.88
8.1.120.0000.00817.30
8.1.110.0080.00017.27
8.1.100.0000.00717.27
8.1.90.0000.00717.27
8.1.80.0070.00017.40
8.1.70.0000.00717.20
8.1.60.0030.00617.49
8.1.50.0000.00817.45
8.1.40.0040.00417.39
8.1.30.0040.00417.43
8.1.20.0050.00317.63
8.1.10.0040.00417.41
8.1.00.0040.00417.48
8.0.300.0060.00318.77
8.0.290.0040.00416.63
8.0.280.0030.00318.31
8.0.270.0030.00317.13
8.0.260.0000.00816.69
8.0.250.0030.00316.85
8.0.240.0070.00016.98
8.0.230.0020.00516.76
8.0.220.0030.00316.82
8.0.210.0000.00716.76
8.0.200.0040.00416.95
8.0.190.0030.00516.89
8.0.180.0050.00216.80
8.0.170.0040.00416.74
8.0.160.0040.00416.77
8.0.150.0040.00416.72
8.0.140.0050.00216.82
8.0.130.0060.00013.25
8.0.120.0040.00416.68
8.0.110.0040.00416.70
8.0.100.0040.00416.74
8.0.90.0070.00016.89
8.0.80.0090.00816.77
8.0.70.0070.00016.71
8.0.60.0060.00316.84
8.0.50.0040.00416.68
8.0.30.0100.01116.89
8.0.20.0090.00917.40
8.0.10.0030.00616.82
8.0.00.0060.01516.70
7.4.330.0000.00515.09
7.4.320.0030.00316.34
7.4.300.0060.00016.43
7.4.290.0000.00716.51
7.4.280.0000.00716.43
7.4.270.0030.00316.56
7.4.260.0030.00316.51
7.4.250.0040.00416.42
7.4.240.0000.00716.46
7.4.230.0000.00716.55
7.4.220.0110.00716.53
7.4.210.0070.00916.46
7.4.200.0040.00416.62
7.4.190.0000.00716.50
7.4.160.0110.00816.42
7.4.150.0150.00317.40
7.4.140.0080.01017.86
7.4.130.0050.01116.41
7.4.120.0140.00616.52
7.4.110.0070.01016.54
7.4.100.0160.00416.37
7.4.90.0100.00716.54
7.4.80.0160.00019.39
7.4.70.0130.00616.32
7.4.60.0060.00916.35
7.4.50.0040.00416.23
7.4.40.0000.01122.77
7.4.30.0060.01016.52
7.4.00.0090.00714.79
7.3.330.0000.00512.98
7.3.320.0050.00012.81
7.3.310.0030.00316.14
7.3.300.0070.00016.13
7.3.290.0080.00516.14
7.3.280.0090.00716.16
7.3.270.0090.00817.40
7.3.260.0100.00716.31
7.3.250.0140.00516.48
7.3.240.0140.00316.28
7.3.230.0070.01116.39
7.3.210.0100.00716.07
7.3.200.0120.00819.39
7.3.190.0090.00916.03
7.3.180.0060.01116.25
7.3.170.0110.00816.51
7.3.160.0070.01016.44
7.3.120.0080.00914.88
7.3.110.0060.01114.59
7.3.100.0090.00714.73
7.3.90.0040.00614.68
7.3.80.0090.00514.69
7.3.70.0050.01014.72
7.3.60.0020.01214.75
7.3.50.0010.01014.56
7.3.40.0050.00514.80
7.3.30.0060.00714.75
7.3.20.0050.01016.56
7.3.10.0080.00616.48
7.3.00.0090.00616.51
7.2.330.0090.01216.52
7.2.320.0120.00916.27
7.2.310.0040.01216.64
7.2.300.0100.00716.52
7.2.290.0090.00616.66
7.2.250.0110.00514.93
7.2.240.0100.01014.96
7.2.230.0040.00914.62
7.2.220.0080.00614.89
7.2.210.0050.00814.78
7.2.200.0080.00615.04
7.2.190.0080.00814.71
7.2.180.0050.00914.86
7.2.170.0040.01014.94
7.1.330.0050.00915.77
7.1.320.0040.00715.79
7.1.310.0050.00915.82
7.1.300.0030.01215.64
7.1.290.0030.00815.62
7.1.280.0060.00615.56
7.1.270.0030.01015.65
7.1.260.0070.00415.56
7.1.100.0000.01118.14
7.1.70.0000.01017.00
7.1.60.0030.01017.20
7.1.50.0070.01616.79
7.1.00.0070.07322.58
7.0.200.0070.00716.68
7.0.140.0000.07322.00
7.0.60.0070.05719.85
7.0.50.0000.04717.77
7.0.40.0000.08719.98
7.0.30.0300.07020.18
7.0.20.0270.05020.13
7.0.10.0330.04720.02
7.0.00.0030.08720.08
5.6.280.0030.07320.85
5.6.210.0100.07720.47
5.6.200.0130.07718.12
5.6.190.0070.08720.32
5.6.180.0070.08720.33
5.6.170.0200.07720.47
5.6.160.0130.05020.44
5.6.150.0170.07318.19
5.6.140.0100.06318.18
5.6.130.0000.06018.18
5.6.120.0070.09020.99
5.6.110.0100.05320.99
5.6.100.0070.08720.96
5.6.90.0070.08321.13
5.6.80.0130.07020.43
5.6.70.0270.05720.27
5.5.350.0000.07020.43
5.5.340.0070.04317.96
5.5.330.0070.08320.22
5.5.320.0070.06320.32
5.5.310.0230.07320.41
5.5.300.0030.04717.87
5.5.290.0030.04718.01
5.5.280.0070.05020.79
5.5.270.0030.04320.86
5.5.260.0070.08720.67
5.5.250.0100.06020.68
5.5.240.0070.07720.14
5.4.450.0770.02719.49
5.4.440.0500.07019.43
5.4.430.0730.07319.32
5.4.420.0600.07019.09
5.4.410.0770.05719.48
5.4.400.0700.07019.13
5.4.390.0570.06319.08
5.4.380.0070.06018.72
5.4.370.0200.04718.46
5.4.360.0130.04718.58
5.4.350.0200.04718.46
5.4.340.0270.04018.50
5.4.320.0050.03612.45
5.4.310.0080.03912.45
5.4.300.0080.03312.45
5.4.290.0090.03812.45
5.4.280.0080.03512.32
5.4.270.0060.03712.32
5.4.260.0070.03712.32
5.4.250.0030.04112.32
5.4.240.0060.03812.32
5.4.230.0050.04012.31
5.4.220.0040.03912.31
5.4.210.0050.03712.31
5.4.200.0120.03812.31
5.4.190.0080.03912.31
5.4.180.0060.03712.30
5.4.170.0060.03712.32
5.4.160.0090.03612.32
5.4.150.0050.03812.31
5.4.140.0070.05011.99
5.4.130.0050.04011.98
5.4.120.0150.05011.94
5.4.110.0160.03811.93
5.4.100.0070.03411.93
5.4.90.0060.05511.94
5.4.80.0060.03811.94
5.4.70.0030.04011.93
5.4.60.0060.03611.93
5.4.50.0060.03711.93
5.4.40.0080.03811.92
5.4.30.0080.03411.92
5.4.20.0060.03611.92
5.4.10.0100.03311.92
5.4.00.0060.04111.41
5.3.290.0040.04212.80
5.3.280.0050.04012.71
5.3.270.0060.04112.73
5.3.260.0050.04112.72
5.3.250.0090.03612.72
5.3.240.0070.03812.72
5.3.230.0060.04012.71
5.3.220.0150.06612.68
5.3.210.0120.04712.68
5.3.200.0210.08012.68
5.3.190.0150.07312.68
5.3.180.0100.04812.67
5.3.170.0060.05212.67
5.3.160.0060.05912.68
5.3.150.0130.05612.67
5.3.140.0180.07212.66
5.3.130.0220.09812.66
5.3.120.0120.07412.66
5.3.110.0140.06812.66
5.3.100.0070.05812.12
5.3.90.0060.05412.08
5.3.80.0070.04312.07
5.3.70.0100.04412.07
5.3.60.0120.04512.06
5.3.50.0090.04712.00
5.3.40.0090.06412.00
5.3.30.0100.05311.94
5.3.20.0110.05111.70
5.3.10.0080.05311.66
5.3.00.0100.05011.65
5.2.170.0110.0339.15
5.2.160.0060.0469.15
5.2.150.0090.0459.15
5.2.140.0070.0479.15
5.2.130.0060.0459.11
5.2.120.0060.0449.11
5.2.110.0060.0429.12
5.2.100.0100.0429.12
5.2.90.0080.0449.11
5.2.80.0180.0639.10
5.2.70.0120.0409.10
5.2.60.0090.0449.06
5.2.50.0090.0499.03
5.2.40.0090.0409.01
5.2.30.0080.0438.98
5.2.20.0080.0408.97
5.2.10.0060.0418.89
5.2.00.0050.0518.75
5.1.60.0050.0438.04
5.1.50.0070.0388.04
5.1.40.0100.0358.03
5.1.30.0090.0398.37
5.1.20.0090.0398.40
5.1.10.0070.0408.12
5.1.00.0070.0428.12
5.0.50.0040.0346.59
5.0.40.0020.0356.46
5.0.30.0050.0486.27
5.0.20.0030.0326.24
5.0.10.0050.0316.22
5.0.00.0060.0436.21
4.4.90.0060.0234.78
4.4.80.0040.0254.75
4.4.70.0060.0224.76
4.4.60.0060.0234.76
4.4.50.0020.0274.77
4.4.40.0170.0704.71
4.4.30.0120.0474.76
4.4.20.0180.0404.84
4.4.10.0140.0574.85
4.4.00.0070.0274.76
4.3.110.0050.0204.67
4.3.100.0040.0194.66
4.3.90.0030.0214.63
4.3.80.0030.0314.58
4.3.70.0050.0204.63
4.3.60.0040.0214.63
4.3.50.0040.0214.63
4.3.40.0040.0324.54
4.3.30.0050.0183.27
4.3.20.0030.0213.25
4.3.10.0010.0223.22
4.3.00.0030.01713.43

preferences:
89.54 ms | 401 KiB | 5 Q