3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo is_bool(false); echo is_bool(null)? 1 : ' null '; echo is_bool(true); function test(){ return ""; } var_dump((bool) test());

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)
8.3.70.0060.00918.30
8.3.60.0000.01416.47
8.3.50.0070.00722.00
8.3.40.0200.00018.84
8.3.30.0110.00419.09
8.3.20.0080.00020.22
8.3.10.0040.00423.65
8.3.00.0040.00419.38
8.2.180.0070.01118.42
8.2.170.0120.00622.96
8.2.160.0070.00720.37
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0180.00026.16
8.2.120.0000.00822.20
8.2.110.0000.00920.32
8.2.100.0120.00017.91
8.2.90.0050.00319.09
8.2.80.0080.00017.97
8.2.70.0060.00317.38
8.2.60.0080.00017.80
8.2.50.0000.00918.07
8.2.40.0000.00819.95
8.2.30.0060.00319.66
8.2.20.0040.00417.73
8.2.10.0000.00717.82
8.2.00.0000.01017.74
8.1.280.0140.00425.92
8.1.270.0080.00023.96
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0070.00323.97
8.1.230.0040.00817.42
8.1.220.0000.00917.74
8.1.210.0050.00318.77
8.1.200.0040.00717.23
8.1.190.0000.00817.40
8.1.180.0030.00718.10
8.1.170.0060.00318.50
8.1.160.0000.00721.89
8.1.150.0030.00318.57
8.1.140.0000.00717.30
8.1.130.0030.00317.72
8.1.120.0000.00717.41
8.1.110.0000.00817.41
8.1.100.0080.00017.44
8.1.90.0000.00717.37
8.1.80.0040.00417.36
8.1.70.0070.00017.28
8.1.60.0040.00417.56
8.1.50.0040.00417.34
8.1.40.0030.00617.41
8.1.30.0000.00817.44
8.1.20.0000.00817.61
8.1.10.0040.00417.33
8.1.00.0040.00417.34
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0070.00018.45
8.0.270.0000.00717.19
8.0.260.0000.00617.18
8.0.250.0070.00016.93
8.0.240.0000.00716.89
8.0.230.0030.00316.98
8.0.220.0000.00616.94
8.0.210.0040.00416.88
8.0.200.0070.00016.95
8.0.190.0040.00417.00
8.0.180.0040.00716.92
8.0.170.0000.00916.82
8.0.160.0000.00816.92
8.0.150.0000.00716.84
8.0.140.0000.00716.78
8.0.130.0030.00313.26
8.0.120.0080.00016.82
8.0.110.0070.00016.86
8.0.100.0030.00516.69
8.0.90.0050.00316.72
8.0.80.0060.01016.89
8.0.70.0030.00516.91
8.0.60.0070.00016.88
8.0.50.0020.00516.88
8.0.30.0090.00917.07
8.0.20.0150.00517.40
8.0.10.0030.00516.99
8.0.00.0100.00816.72
7.4.330.0030.00315.15
7.4.320.0030.00316.38
7.4.300.0000.00616.58
7.4.290.0070.00316.43
7.4.280.0030.00616.52
7.4.270.0000.00716.54
7.4.260.0000.00716.33
7.4.250.0040.00416.41
7.4.240.0040.00316.51
7.4.230.0030.00316.53
7.4.220.0120.00616.47
7.4.210.0080.00616.51
7.4.200.0000.00716.63
7.4.190.0030.00516.55
7.4.160.0100.00616.41
7.4.150.0130.00317.40
7.4.140.0100.01017.86
7.4.130.0030.01416.47
7.4.120.0090.00916.55
7.4.110.0120.00616.34
7.4.100.0140.00316.30
7.4.90.0100.00616.52
7.4.80.0120.00619.39
7.4.70.0140.00316.39
7.4.60.0070.01016.36
7.4.50.0040.00416.21
7.4.40.0000.01522.77
7.4.30.0100.00916.56
7.4.00.0070.01114.74
7.3.330.0000.00513.11
7.3.320.0000.00513.31
7.3.310.0000.00716.32
7.3.300.0070.00016.22
7.3.290.0090.00616.32
7.3.280.0080.00716.29
7.3.270.0100.00717.40
7.3.260.0200.00316.63
7.3.250.0030.01416.30
7.3.240.0090.00916.32
7.3.230.0160.00016.39
7.3.210.0140.00616.63
7.3.200.0120.01219.39
7.3.190.0090.00916.39
7.3.180.0050.01116.43
7.3.170.0030.01316.53
7.3.160.0120.00616.36
7.3.120.0040.01214.91
7.2.330.0100.01416.26
7.2.320.0100.00716.69
7.2.310.0110.00616.66
7.2.300.0180.00016.65
7.2.290.0130.01016.58
7.2.60.0090.00617.00
7.2.00.0090.00919.32
7.1.200.0100.00315.70
7.1.100.0000.01417.95
7.1.70.0000.00717.23
7.1.60.0140.01119.46
7.1.50.0070.01316.99
7.1.00.0070.07322.30
7.0.200.0030.00716.73
7.0.140.0070.07022.08
7.0.60.0030.04019.92
7.0.50.0130.03317.85
7.0.40.0100.05720.27
7.0.30.0570.06720.21
7.0.20.0200.05320.19
7.0.10.0100.07320.10
7.0.00.0100.08320.10
5.6.280.0000.07721.12
5.6.210.0070.08020.51
5.6.200.0130.08018.19
5.6.190.0070.08320.48
5.6.180.0300.06720.64
5.6.170.0170.05720.55
5.6.160.0030.06320.48
5.6.150.0030.04318.21
5.6.140.0070.08318.15
5.6.130.0030.04318.18
5.6.120.0100.08021.05
5.6.110.0100.08320.97
5.6.100.0030.04720.89
5.6.90.0000.04721.00
5.6.80.0100.07720.43
5.6.70.4200.03320.48
5.5.350.0230.07320.44
5.5.340.0030.05317.99
5.5.330.0100.04320.41
5.5.320.0300.08020.36
5.5.310.0370.06020.28
5.5.300.0070.06318.03
5.5.290.0070.07018.05
5.5.280.0070.08720.73
5.5.270.0030.07320.79
5.5.260.0030.08320.84
5.5.250.0130.07720.55
5.5.240.0230.07720.27
5.4.450.3630.04719.55
5.4.440.3700.03319.57
5.4.430.3600.03719.48
5.4.420.3000.04019.28
5.4.410.3230.03319.21
5.4.400.3470.03318.97
5.4.390.3270.02719.16
5.4.380.3330.03718.92
5.4.370.3570.03719.22
5.4.360.3300.03718.93
5.4.350.3470.03719.19
5.4.340.4230.03719.22
5.4.320.3670.03319.11
5.4.310.3870.03019.13
5.4.300.3730.03019.04
5.4.290.3700.04018.96
5.4.280.3830.03018.93
5.4.270.3600.04319.24
5.4.260.3400.04018.93
5.4.250.3570.05318.93
5.4.240.3700.03718.93
5.4.230.3600.03718.95
5.4.220.3570.04019.14
5.4.210.3600.04018.94
5.4.200.3630.04019.03
5.4.190.3230.04019.02
5.4.180.4030.04319.21
5.4.170.3830.04019.14
5.4.160.3870.04018.91
5.4.150.4170.04019.22
5.4.140.3700.04016.35
5.4.130.3300.03316.33
5.4.120.4130.03316.59
5.4.110.3570.04016.55
5.4.100.4200.04016.32
5.4.90.4300.02716.37
5.4.80.4230.03016.24
5.4.70.4100.03316.43
5.4.60.3970.02716.53
5.4.50.4230.03316.46
5.4.40.4270.03316.23
5.4.30.4270.03316.22
5.4.20.4070.02716.43
5.4.10.4000.03316.52
5.4.00.4130.04015.77
5.3.290.3770.04014.71
5.3.280.3700.04014.64
5.3.270.3970.04714.62
5.3.260.4200.04314.52
5.3.250.4030.03314.76
5.3.240.3600.03714.66
5.3.230.3300.03314.61
5.3.220.3830.04314.60
5.3.210.3600.03714.64
5.3.200.3700.04014.57
5.3.190.4230.03714.62
5.3.180.3730.02714.55
5.3.170.4230.03714.56
5.3.160.4200.03014.58
5.3.150.4300.03714.60
5.3.140.3970.03314.61
5.3.130.4230.04014.43
5.3.120.4270.04014.46
5.3.110.4130.03714.55
5.3.100.4100.04014.06
5.3.90.4000.03014.02
5.3.80.4130.03714.05
5.3.70.4200.04013.93
5.3.60.4000.02714.07
5.3.50.3530.03313.96
5.3.40.3230.04013.95
5.3.30.3600.04314.05
5.3.20.3430.04013.68
5.3.10.3270.03713.68
5.3.00.3570.03713.63
5.2.170.2470.02311.22
5.2.160.3170.02711.30
5.2.150.2600.02711.15
5.2.140.3130.03011.20
5.2.130.2700.03311.25
5.2.120.2500.03011.14
5.2.110.2830.03011.09
5.2.100.3000.02711.13
5.2.90.2800.03011.09
5.2.80.3130.02311.09
5.2.70.2970.03011.14
5.2.60.3570.03311.19
5.2.50.3230.02711.08
5.2.40.2670.02711.03
5.2.30.2670.03010.97
5.2.20.2600.02711.00
5.2.10.2430.03010.85
5.2.00.2200.02710.67
5.1.60.2230.0179.98
5.1.50.2600.0279.94
5.1.40.2130.0279.88
5.1.30.2230.02010.38
5.1.20.2230.02310.42
5.1.10.1930.02310.13
5.1.00.2230.02310.07
5.0.50.1370.0178.61
5.0.40.1130.0178.57
5.0.30.1030.0308.27
5.0.20.1170.0208.17
5.0.10.1170.0138.18
5.0.00.1100.0278.13
4.4.90.1530.0175.87
4.4.80.0970.0135.89
4.4.70.1170.0175.87
4.4.60.1100.0105.87
4.4.50.1230.0135.87
4.4.40.1230.0235.90
4.4.30.1270.0205.87
4.4.20.1300.0205.88
4.4.10.1170.0105.87
4.4.00.1100.0205.87
4.3.110.1100.0175.87
4.3.100.1170.0135.87
4.3.90.1130.0105.87
4.3.80.0970.0235.87
4.3.70.1300.0175.87
4.3.60.1100.0135.87
4.3.50.1070.0175.87
4.3.40.1070.0235.87
4.3.30.0570.0175.87
4.3.20.0570.0175.87
4.3.10.0570.0135.87
4.3.00.0600.0105.87

preferences:
47.66 ms | 401 KiB | 5 Q