3v4l.org

run code in 300+ PHP versions simultaneously
<?php (bool) 0; (bool) "0"; var_dump(false); // false (bool) 0.0; // false (bool) "0.0"; // true var_dump( "" ); // "" var_dump( "\0" ); // "" var_dump( (bool) "" ); // false var_dump( (bool) "\0" ); // true

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)
8.3.40.0070.01418.49
8.3.30.0120.00318.56
8.3.20.0000.00818.61
8.3.10.0050.00320.48
8.3.00.0080.00017.25
8.2.170.0070.00718.91
8.2.160.0100.01022.96
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0040.00426.16
8.2.120.0000.00719.64
8.2.110.0070.00320.93
8.2.100.0080.00417.59
8.2.90.0000.00919.17
8.2.80.0050.00219.40
8.2.70.0040.00417.50
8.2.60.0000.00817.68
8.2.50.0040.00418.07
8.2.40.0090.00017.91
8.2.30.0080.00017.91
8.2.20.0000.00717.46
8.2.10.0070.00017.65
8.2.00.0030.00617.60
8.1.270.0000.00824.66
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0030.00623.83
8.1.230.0110.00020.91
8.1.220.0070.00017.74
8.1.210.0030.00718.85
8.1.200.0030.00717.00
8.1.190.0040.00417.53
8.1.180.0060.00318.10
8.1.170.0020.00518.77
8.1.160.0040.00418.75
8.1.150.0040.00418.50
8.1.140.0070.00317.32
8.1.130.0030.00317.32
8.1.120.0020.00517.26
8.1.110.0000.00717.32
8.1.100.0000.00817.30
8.1.90.0030.00317.26
8.1.80.0050.00217.32
8.1.70.0070.00017.33
8.1.60.0000.00917.35
8.1.50.0030.00517.36
8.1.40.0040.00417.40
8.1.30.0040.00417.46
8.1.20.0030.00517.45
8.1.10.0040.00417.28
8.1.00.0040.00417.34
8.0.300.0040.00419.65
8.0.290.0050.00216.63
8.0.280.0030.00318.31
8.0.270.0030.00317.05
8.0.260.0060.00016.65
8.0.250.0040.00416.85
8.0.240.0080.00316.88
8.0.230.0000.00716.77
8.0.220.0000.00716.84
8.0.210.0040.00416.75
8.0.200.0000.00616.89
8.0.190.0070.00016.79
8.0.180.0050.00316.75
8.0.170.0030.00616.83
8.0.160.0070.00016.80
8.0.150.0060.00316.85
8.0.140.0060.00316.82
8.0.130.0000.00613.20
8.0.120.0060.00316.68
8.0.110.0060.00316.77
8.0.100.0030.00316.82
8.0.90.0040.00416.71
8.0.80.0060.00916.70
8.0.70.0000.00716.70
8.0.60.0040.00416.82
8.0.50.0000.00716.84
8.0.30.0130.00616.98
8.0.20.0120.00617.12
8.0.10.0050.00316.82
8.0.00.0090.01116.82
7.4.330.0000.00412.85
7.4.320.0030.00316.37
7.4.300.0030.00316.38
7.4.290.0070.00016.41
7.4.280.0000.00716.41
7.4.270.0030.00316.37
7.4.260.0050.00013.12
7.4.250.0040.00416.44
7.4.240.0000.00716.36
7.4.230.0040.00416.35
7.4.220.0070.01816.51
7.4.210.0050.00916.44
7.4.200.0000.00716.36
7.4.190.0050.00216.31
7.4.160.0150.00716.38
7.4.150.0100.01016.33
7.4.140.0100.00916.26
7.4.130.0130.00716.40
7.4.120.0030.01416.37
7.4.110.0030.01316.36
7.4.100.0100.00616.29
7.4.90.0110.00716.26
7.4.80.0110.00716.25
7.4.70.0100.00716.04
7.4.60.0100.00716.18
7.4.50.0030.00316.29
7.4.40.0060.00616.27
7.4.30.0080.01216.35
7.4.00.0100.00614.82
7.3.330.0030.00313.07
7.3.320.0030.00313.07
7.3.310.0030.00316.19
7.3.300.0060.00016.11
7.3.290.0070.01416.16
7.3.280.0060.01116.20
7.3.270.0110.00616.21
7.3.260.0050.01516.30
7.3.250.0110.00816.13
7.3.240.0140.00616.34
7.3.230.0060.01116.23
7.3.210.0080.00816.31
7.3.200.0130.01019.39
7.3.190.0090.00716.29
7.3.180.0090.00616.39
7.3.170.0160.00316.11
7.3.160.0090.00616.05
7.3.120.0100.00714.60
7.2.330.0030.01416.33
7.2.320.0090.01316.30
7.2.310.0070.01016.22
7.2.300.0120.00916.46
7.2.290.0060.01016.59
7.2.00.0090.00919.30
7.1.100.0040.01117.99
7.1.70.0030.00917.21
7.1.60.0060.01919.40
7.1.50.0040.01816.68
7.1.00.0030.07022.43
7.0.200.0050.00216.60
7.0.140.0070.07022.08
7.0.120.0070.06022.23
7.0.60.0030.05719.90
7.0.50.0030.04017.89
7.0.40.0070.04017.80
7.0.30.0000.08317.68
7.0.20.0000.04317.77
7.0.10.0030.04717.65
7.0.00.0070.04717.64
5.6.280.0070.06720.77
5.6.210.0130.06720.69
5.6.200.0030.04018.14
5.6.190.0070.04318.22
5.6.180.0100.04718.19
5.6.170.0100.03718.11
5.6.160.0100.03318.22
5.6.150.0030.04018.07
5.6.140.0030.04018.20
5.6.130.0100.03718.11
5.6.120.0030.04018.18
5.6.110.0030.04018.12
5.6.100.0000.04318.11
5.6.90.0000.04318.09
5.6.80.0100.03717.48
5.6.70.0000.04717.55
5.6.60.0000.04317.49
5.6.50.0030.03717.53
5.6.40.0070.03317.57
5.6.30.0030.03717.53
5.6.20.0030.04317.51
5.6.10.0070.04017.46
5.6.00.0030.04017.46
5.5.350.0430.06020.29
5.5.340.0070.04017.98
5.5.330.0030.03717.92
5.5.320.0030.06017.91
5.5.310.0000.05018.01
5.5.300.0030.04017.95
5.5.290.0030.04018.01
5.5.280.0030.04017.88
5.5.270.0070.03718.02
5.5.260.0000.04317.97
5.5.250.0070.04317.76
5.5.240.0000.04017.31
5.5.230.0030.05017.33
5.5.220.0000.04017.41
5.5.210.0030.04017.38
5.5.200.0030.03717.31
5.5.190.0030.05317.32
5.5.180.0100.07717.26
5.5.160.0030.03717.26
5.5.150.0100.03717.33
5.5.140.0070.06017.33
5.5.130.0170.06317.27
5.5.120.0100.03317.29
5.5.110.0070.04717.31
5.5.100.0100.06017.27
5.5.90.0130.07017.20
5.5.80.0130.07317.26
5.5.70.0070.04717.12
5.5.60.0130.06317.15
5.5.50.0130.05017.22
5.5.40.0130.06017.21
5.5.30.0070.07317.16
5.5.20.0030.07017.16
5.5.10.0100.07717.21
5.5.00.0070.07717.12
5.4.450.0100.03319.16
5.4.440.0000.04019.31
5.4.430.0000.04019.53
5.4.420.0030.04019.31
5.4.410.0070.03319.18
5.4.400.0030.03718.97
5.4.390.0070.04319.09
5.4.380.0030.03718.98
5.4.370.0030.03718.98
5.4.360.0000.04018.96
5.4.350.0000.04018.96
5.4.340.0030.04319.09
5.4.320.0000.04018.98
5.4.310.0100.06318.82
5.4.300.0000.04719.02
5.4.290.0030.04318.98
5.4.280.0000.05318.96
5.4.270.0000.04318.98
5.4.260.0070.04319.05
5.4.250.0070.06718.82
5.4.240.0130.07019.02
5.4.230.0030.07318.98
5.4.220.0030.04019.00
5.4.210.0000.06019.09
5.4.200.0100.07318.97
5.4.190.0070.06318.96
5.4.180.0200.06319.10
5.4.170.0030.08319.11
5.4.160.0070.05318.89
5.4.150.0030.04018.96
5.4.140.0070.05016.30
5.4.130.0030.03716.22
5.4.120.0030.07316.27
5.4.110.0070.03316.39
5.4.100.0100.03016.39
5.4.90.0170.06316.34
5.4.80.0100.03316.28
5.4.70.0000.04716.44
5.4.60.0000.05316.34
5.4.50.0170.06716.27
5.4.40.0030.07716.39
5.4.30.0070.05016.31
5.4.20.0100.06316.22
5.4.10.0130.06716.14
5.4.00.0030.07315.77
5.3.290.0030.08014.58
5.3.280.0070.04314.56
5.3.270.0130.07314.39
5.3.260.0100.06314.52
5.3.250.0030.08014.52
5.3.240.0030.04014.54
5.3.230.0030.03714.44
5.3.220.0030.05314.53
5.3.210.0000.04714.53
5.3.200.0000.04714.42
5.3.190.0070.06314.34
5.3.180.0070.04014.51
5.3.170.0030.08014.53
5.3.160.0100.05714.50
5.3.150.0070.06014.47
5.3.140.0070.07314.48
5.3.130.0030.07014.37
5.3.120.0130.06014.29
5.3.110.0030.07714.62
5.3.100.0100.07014.11
5.3.90.0100.05713.98
5.3.80.0070.06713.86
5.3.70.0030.07713.98
5.3.60.0030.08313.92
5.3.50.0000.07713.91
5.3.40.0070.07713.89
5.3.30.0030.07313.87
5.3.20.0000.08013.63
5.3.10.0070.07313.40
5.3.00.0070.07313.61
5.2.170.0070.05311.14
5.2.160.0030.06011.18
5.2.150.0000.05311.04
5.2.140.0100.06311.11
5.2.130.0100.05311.13
5.2.120.0030.03711.02
5.2.110.0070.03010.93
5.2.100.0000.05711.05
5.2.90.0030.05311.13
5.2.80.0170.05011.04
5.2.70.0030.06011.05
5.2.60.0030.06711.04
5.2.50.0030.05711.00
5.2.40.0070.05310.93
5.2.30.0070.06310.86
5.2.20.0030.04310.93
5.2.10.0030.05710.70
5.2.00.0030.05710.70
5.1.60.0000.03010.02
5.1.50.0000.0539.97
5.1.40.0100.05010.03
5.1.30.0030.04310.28
5.1.20.0130.02310.19
5.1.10.0000.03010.03
5.1.00.0000.02710.14
5.0.50.0100.0138.61
5.0.40.0030.0438.46
5.0.30.0070.0278.46
5.0.20.0030.0308.46
5.0.10.0070.0408.46
5.0.00.0030.0678.46
4.4.90.0030.0278.46
4.4.80.0030.0378.46
4.4.70.0000.0378.46
4.4.60.0000.0378.46
4.4.50.0000.0408.46
4.4.40.0100.0438.46
4.4.30.0030.0238.46
4.4.20.0000.0238.46
4.4.10.0030.0338.46
4.4.00.0030.0238.46
4.3.110.0070.0308.46
4.3.100.0000.0208.46
4.3.90.0000.0378.46
4.3.80.0070.0478.46
4.3.70.0000.0308.46
4.3.60.0070.0338.46
4.3.50.0000.0378.46
4.3.40.0030.0278.46
4.3.30.0030.0338.46
4.3.20.0030.0338.46
4.3.10.0000.0378.46
4.3.00.0000.0378.46

preferences:
40.17 ms | 400 KiB | 5 Q