3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump((bool) 0); var_dump((bool) 1); var_dump((bool) '0'); var_dump((bool) '1'); var_dump((bool) ' 0'); var_dump((bool) ' 1'); var_dump((bool) 0x00); var_dump((bool) 0x01); var_dump((bool) false); var_dump((bool) true); var_dump((bool) 4); var_dump((bool) 5); var_dump((bool) ''); var_dump((bool) ' '); var_dump((bool) '日本語'); var_dump((bool) '!'); var_dump((bool) "\x00"); var_dump((bool) "\n"); var_dump((bool) "\t");

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)
8.3.60.0130.00718.28
8.3.50.0090.01221.02
8.3.40.0140.00718.70
8.3.30.0100.00320.23
8.3.20.0040.00420.35
8.3.10.0040.00421.89
8.3.00.0030.00522.52
8.2.180.0150.00018.16
8.2.170.0060.00922.96
8.2.160.0060.00922.18
8.2.150.0080.00024.18
8.2.140.0030.00624.66
8.2.130.0080.00026.16
8.2.120.0000.00720.79
8.2.110.0040.00422.26
8.2.100.0090.00317.66
8.2.90.0090.00018.95
8.2.80.0080.00019.24
8.2.70.0040.00417.50
8.2.60.0040.00417.91
8.2.50.0050.00318.07
8.2.40.0040.00418.03
8.2.30.0000.00719.34
8.2.20.0040.00417.54
8.2.10.0000.00817.57
8.2.00.0040.00417.63
8.1.280.0090.00625.92
8.1.270.0060.00923.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.96
8.1.230.0080.00319.08
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0050.00317.40
8.1.180.0060.00318.10
8.1.170.0000.00818.52
8.1.160.0000.00718.80
8.1.150.0040.00418.48
8.1.140.0040.00417.33
8.1.130.0000.00617.67
8.1.120.0070.00017.25
8.1.110.0040.00417.23
8.1.100.0080.00017.25
8.1.90.0040.00417.25
8.1.80.0040.00417.31
8.1.70.0060.00317.32
8.1.60.0080.00017.35
8.1.50.0040.00417.30
8.1.40.0000.00717.41
8.1.30.0000.00817.52
8.1.20.0000.00717.38
8.1.10.0050.00317.35
8.1.00.0000.00717.21
8.0.300.0040.00418.77
8.0.290.0000.00717.03
8.0.280.0000.00718.24
8.0.270.0030.00317.00
8.0.260.0030.00316.76
8.0.250.0000.00716.89
8.0.240.0080.00016.93
8.0.230.0070.00016.94
8.0.220.0030.00316.85
8.0.210.0000.00716.66
8.0.200.0000.00716.73
8.0.190.0000.00716.76
8.0.180.0000.00716.84
8.0.170.0050.00316.81
8.0.160.0000.00716.83
8.0.150.0000.00816.70
8.0.140.0050.00216.78
8.0.130.0030.00313.26
8.0.120.0030.00516.68
8.0.110.0020.00516.85
8.0.100.0000.00816.61
8.0.90.0000.00716.77
8.0.80.0070.01316.75
8.0.70.0000.00716.88
8.0.60.0070.00016.73
8.0.50.0030.00516.66
8.0.30.0090.01416.98
8.0.20.0110.00717.40
8.0.10.0000.00716.82
8.0.00.0090.01116.52
7.4.330.0060.00015.00
7.4.320.0030.00316.45
7.4.300.0000.00716.39
7.4.290.0000.00616.51
7.4.280.0000.00616.30
7.4.270.0040.00516.41
7.4.260.0030.00313.11
7.4.250.0040.00416.36
7.4.240.0030.00316.38
7.4.230.0070.00016.54
7.4.220.0090.00916.34
7.4.210.0080.00716.46
7.4.200.0000.00816.43
7.4.190.0070.00016.28
7.4.160.0130.00316.44
7.4.150.0150.00317.40
7.4.140.0090.00817.86
7.4.130.0020.01616.37
7.4.120.0080.01016.39
7.4.110.0090.00716.43
7.4.100.0080.00816.32
7.4.90.0080.00816.58
7.4.80.0070.01519.39
7.4.70.0110.00616.29
7.4.60.0100.00716.29
7.4.50.0040.00415.98
7.4.40.0030.01022.77
7.4.30.0090.00616.25
7.4.00.0000.00714.68
7.3.330.0000.00613.05
7.3.320.0020.00213.04
7.3.310.0030.00416.09
7.3.300.0000.00616.26
7.3.290.0000.01316.11
7.3.280.0070.00916.17
7.3.270.0130.00417.40
7.3.260.0060.01216.24
7.3.250.0110.01116.19
7.3.240.0090.01016.13
7.3.230.0130.00316.39
7.3.210.0090.00916.15
7.3.200.0140.00919.39
7.3.190.0190.00316.21
7.3.180.0080.00816.22
7.3.170.0120.00316.41
7.3.160.0080.00816.32
7.3.120.0110.00714.72
7.2.330.0090.01016.61
7.2.320.0110.00716.53
7.2.310.0120.00416.55
7.2.300.0100.01016.55
7.2.290.0130.00616.53
7.2.60.0030.01016.61
7.2.00.0030.01019.41
7.1.200.0030.01015.65
7.1.100.0070.00717.86
7.1.70.0000.01017.25
7.1.60.0130.00919.32
7.1.50.0030.01816.93
7.1.00.0030.05722.48
7.0.200.0040.00416.52
7.0.140.0070.07022.08
7.0.100.0030.08019.80
7.0.90.0070.07319.84
7.0.80.0030.08019.88
7.0.70.0100.08019.90
7.0.60.0130.07019.91
7.0.50.0030.08320.34
7.0.40.0170.07719.96
7.0.30.0070.06320.03
7.0.20.0100.08020.13
7.0.10.0000.05320.00
7.0.00.0170.06319.98
5.6.280.0000.07721.02
5.6.250.0070.08020.57
5.6.240.0070.06020.64
5.6.230.0030.06320.45
5.6.220.0070.08320.62
5.6.210.0070.08320.50
5.6.200.0070.09020.99
5.6.190.0100.04720.89
5.6.180.0070.06720.95
5.6.170.0130.07721.03
5.6.160.0030.04721.01
5.6.150.0030.04320.96
5.6.140.0100.05021.02
5.6.130.0130.07720.98
5.6.120.0030.08021.07
5.6.110.0070.07721.02
5.6.100.0070.08320.98
5.6.90.0130.04321.06
5.6.80.0100.07320.36
5.6.70.0030.05020.32
5.6.60.0000.09020.40
5.6.50.0130.03720.41
5.6.40.0030.08320.41
5.6.30.0030.08320.48
5.6.20.0000.05320.34
5.6.10.0130.07320.41
5.6.00.0070.07020.47
5.5.380.0130.07320.30
5.5.370.0100.07020.37
5.5.360.0070.08020.34
5.5.350.0070.08020.39
5.5.340.0030.05320.80
5.5.330.0030.08020.70
5.5.320.0130.04020.85
5.5.310.0130.06020.83
5.5.300.0100.08320.84
5.5.290.0100.06720.83
5.5.280.0070.06720.75
5.5.270.0200.03320.82
5.5.260.0070.05720.81
5.5.250.0100.08720.64
5.5.240.0100.07020.06
5.5.230.0130.06020.12
5.5.220.0070.04020.23
5.5.210.0100.05020.08
5.5.200.0200.06720.07
5.5.190.0030.07720.09
5.5.180.0130.06320.21
5.5.160.0130.06019.94
5.5.150.0100.07720.16
5.5.140.0070.06320.02
5.5.130.0000.04720.04
5.5.120.0200.07320.16
5.5.110.0130.06319.93
5.5.100.0170.03320.05
5.5.90.0100.04320.10
5.5.80.0100.03319.98
5.5.70.0030.05320.03
5.5.60.0030.04020.09
5.5.50.0100.04020.00
5.5.40.0030.04020.02
5.5.30.0100.04020.09
5.5.20.0030.04020.09
5.5.10.0030.03720.00
5.5.00.0070.04319.96
5.4.450.0000.08319.30
5.4.440.0070.04719.39
5.4.430.0000.04719.42
5.4.420.0100.06319.34
5.4.410.0070.05719.10
5.4.400.0100.04019.15
5.4.390.0100.08018.79
5.4.380.0100.07018.90
5.4.370.0130.07019.11
5.4.360.0000.06719.03
5.4.350.0200.05319.03
5.4.340.0030.08019.04
5.4.320.0130.04719.12
5.4.310.0000.05019.01
5.4.300.0070.04319.02
5.4.290.0100.07019.05
5.4.280.0070.07319.04
5.4.270.0200.06319.23
5.4.260.0100.06719.05
5.4.250.0070.07719.15
5.4.240.0130.08019.03
5.4.230.0070.05019.09
5.4.220.0070.03719.07
5.4.210.0070.04018.77
5.4.200.0030.03719.02
5.4.190.0030.03718.97
5.4.180.0100.03018.80
5.4.170.0000.03319.13
5.4.160.0070.03718.79
5.4.150.0070.05319.03
5.4.140.0030.07316.22
5.4.130.0030.08016.29
5.4.120.0000.07016.29
5.4.110.0070.04016.34
5.4.100.0030.04716.30
5.4.90.0030.07316.44
5.4.80.0000.03716.40
5.4.70.0070.05316.34
5.4.60.0100.03016.47
5.4.50.0030.03716.21
5.4.40.0000.04016.38
5.4.30.0100.05716.41
5.4.20.0030.03716.47
5.4.10.0030.04716.13
5.4.00.0000.03715.71
5.3.290.0070.08014.54
5.3.280.0070.03714.57
5.3.270.0030.03014.42
5.3.260.0030.04314.62
5.3.250.0070.02714.43
5.3.240.0000.07714.59
5.3.230.0100.06714.43
5.3.220.0130.06314.52
5.3.210.0070.04314.43
5.3.200.0100.05714.56
5.3.190.0030.03714.53
5.3.180.0030.03314.42
5.3.170.0070.03314.51
5.3.160.0030.05014.42
5.3.150.0000.04014.55
5.3.140.0030.05314.50
5.3.130.0070.08014.48
5.3.120.0030.05314.48
5.3.110.0070.04714.40
5.3.100.0000.04313.98
5.3.90.0000.04013.87
5.3.80.0100.05013.88
5.3.70.0000.04013.96
5.3.60.0100.03014.01
5.3.50.0000.04013.93
5.3.40.0030.04013.71
5.3.30.0000.04313.85
5.3.20.0000.03713.60
5.3.10.0030.03313.66
5.3.00.0000.04013.49
5.2.170.0000.03311.18
5.2.160.0070.02310.93
5.2.150.0100.01711.21
5.2.140.0000.03311.10
5.2.130.0030.02711.14
5.2.120.0000.03010.96
5.2.110.0030.02710.91
5.2.100.0030.03011.14
5.2.90.0030.03011.12
5.2.80.0070.02311.02
5.2.70.0030.02710.91
5.2.60.0030.02711.00
5.2.50.0000.03011.08
5.2.40.0030.03311.00
5.2.30.0000.03011.02
5.2.20.0030.02310.94
5.2.10.0000.04010.91
5.2.00.0000.02710.79
5.1.60.0070.03010.05
5.1.50.0000.0279.97
5.1.40.0070.0179.97
5.1.30.0000.02710.26
5.1.20.0000.03010.26
5.1.10.0000.0409.90
5.1.00.0070.02310.11
5.0.50.0070.0178.64
5.0.40.0070.0378.39
5.0.30.0070.0578.22
5.0.20.0030.0478.26
5.0.10.0000.0478.22
5.0.00.0000.0638.27
4.4.90.0000.0138.22
4.4.80.0000.0178.22
4.4.70.0000.0178.22
4.4.60.0030.0138.22
4.4.50.0000.0178.22
4.4.40.0030.0308.22
4.4.30.0000.0278.22
4.4.20.0000.0138.22
4.4.10.0000.0138.22
4.4.00.0000.0238.22
4.3.110.0030.0338.22
4.3.100.0000.0378.22
4.3.90.0030.0338.22
4.3.80.0000.0508.22
4.3.70.0000.0338.22
4.3.60.0030.0338.22
4.3.50.0000.0308.22
4.3.40.0030.0508.22
4.3.30.0030.0378.22
4.3.20.0070.0308.22
4.3.10.0070.0308.22
4.3.00.0000.0378.22

preferences:
45.31 ms | 401 KiB | 5 Q