3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo '0: '.(boolval(0) ? 'true' : 'false')."\n"; echo '42: '.(boolval(42) ? 'true' : 'false')."\n"; echo '0.0: '.(boolval(0.0) ? 'true' : 'false')."\n"; echo '4.2: '.(boolval(4.2) ? 'true' : 'false')."\n"; echo '"": '.(boolval("") ? 'true' : 'false')."\n"; echo '"string": '.(boolval("string") ? 'true' : 'false')."\n"; echo '"0": '.(boolval("0") ? 'true' : 'false')."\n"; echo '"1": '.(boolval("1") ? 'true' : 'false')."\n"; echo '[1, 2]: '.(boolval([1, 2]) ? 'true' : 'false')."\n"; echo '[]: '.(boolval([]) ? 'true' : 'false')."\n"; echo 'stdClass: '.(boolval(new stdClass) ? 'true' : 'false')."\n"; echo 'stdClass: '.(boolval("true") ? 'true' : 'false')."\n"; ?>

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)
8.3.60.0090.00618.30
8.3.50.0070.00718.09
8.3.40.0120.00318.66
8.3.30.0030.01518.65
8.3.20.0000.00719.02
8.3.10.0080.00019.22
8.3.00.0040.00423.65
8.2.180.0040.01118.29
8.2.170.0140.00022.96
8.2.160.0100.00322.26
8.2.150.0050.00224.18
8.2.140.0000.00824.66
8.2.130.0000.00819.82
8.2.120.0000.00726.35
8.2.110.0110.00017.63
8.2.100.0120.00017.78
8.2.90.0030.00617.63
8.2.80.0050.00318.61
8.2.70.0030.00517.79
8.2.60.0040.00417.93
8.2.50.0080.00018.10
8.2.40.0050.00219.10
8.2.30.0000.00819.39
8.2.20.0020.00517.98
8.2.10.0040.00417.90
8.2.00.0000.00719.37
8.1.280.0180.00325.92
8.1.270.0050.00323.92
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0070.00323.71
8.1.230.0130.00021.04
8.1.220.0060.00317.74
8.1.210.0050.00318.77
8.1.200.0040.00417.23
8.1.190.0030.00517.23
8.1.180.0000.00718.10
8.1.170.0010.00718.46
8.1.160.0030.00518.91
8.1.150.0040.00418.75
8.1.140.0000.00717.66
8.1.130.0070.00318.92
8.1.120.0030.00317.43
8.1.110.0080.00417.41
8.1.100.0070.00017.45
8.1.90.0030.00517.34
8.1.80.0000.00717.46
8.1.70.0070.00017.45
8.1.60.0040.00417.57
8.1.50.0000.00817.49
8.1.40.0000.00817.51
8.1.30.0040.00417.44
8.1.20.0000.00717.66
8.1.10.0000.00717.57
8.1.00.0080.00017.46
8.0.300.0050.00318.77
8.0.290.0050.00216.88
8.0.280.0050.00318.38
8.0.270.0030.00317.18
8.0.260.0000.00617.27
8.0.250.0000.00717.06
8.0.240.0000.00717.03
8.0.230.0000.00716.96
8.0.220.0000.00716.92
8.0.210.0000.00716.89
8.0.200.0050.00316.92
8.0.190.0080.00016.92
8.0.180.0040.00416.89
8.0.170.0040.00416.86
8.0.160.0070.00016.87
8.0.150.0060.00316.74
8.0.140.0000.00716.73
8.0.130.0030.00313.28
8.0.120.0040.00416.95
8.0.110.0030.00616.83
8.0.100.0040.00416.95
8.0.90.0050.00316.94
8.0.80.0090.00716.92
8.0.70.0000.00817.02
8.0.60.0000.00716.79
8.0.50.0080.00016.89
8.0.30.0090.01017.03
8.0.20.0060.01217.40
8.0.10.0040.00416.96
8.0.00.0120.00716.77
7.4.330.0000.00515.55
7.4.320.0040.00416.48
7.4.300.0000.00716.60
7.4.290.0030.00316.44
7.4.280.0040.00416.39
7.4.270.0070.00016.42
7.4.260.0020.00516.53
7.4.250.0040.00416.41
7.4.240.0030.00316.45
7.4.230.0070.00016.45
7.4.220.0070.00016.43
7.4.210.0020.01216.56
7.4.200.0040.00416.44
7.4.160.0080.00916.47
7.4.140.0110.00617.86
7.4.130.0150.00316.48
7.4.120.0060.01316.51
7.4.110.0110.00716.42
7.4.100.0050.01116.63
7.4.90.0090.00816.50
7.4.80.0090.00919.39
7.4.70.0180.00416.48
7.4.60.0160.00616.51
7.4.50.0000.01516.49
7.4.40.0100.01016.38
7.4.00.0050.01115.01
7.3.330.0030.00313.18
7.3.320.0030.00312.95
7.3.310.0000.00716.35
7.3.300.0030.00316.29
7.3.290.0000.00716.26
7.3.280.0040.01216.28
7.3.260.0090.00816.35
7.3.240.0120.00816.43
7.3.230.0110.01116.15
7.3.210.0000.02016.22
7.3.200.0100.00616.41
7.3.190.0090.01016.68
7.3.180.0080.00816.34
7.3.170.0080.01216.52
7.3.160.0100.01316.51
7.3.120.0090.00915.13
7.3.110.0090.00914.75
7.3.100.0070.00714.96
7.3.90.0090.00614.93
7.3.80.0080.00415.00
7.3.70.0000.01314.73
7.3.60.0110.00714.57
7.3.50.0040.00414.66
7.3.40.0060.00914.86
7.3.30.0070.00714.92
7.3.20.0060.00816.74
7.3.10.0000.01116.65
7.3.00.0040.00416.37
7.2.330.0070.01016.55
7.2.320.0040.01516.75
7.2.310.0070.01016.50
7.2.300.0000.01716.56
7.2.290.0080.00816.65
7.2.250.0150.00415.06
7.2.240.0070.01315.23
7.2.230.0100.00714.97
7.2.220.0090.00614.84
7.2.210.0080.00815.04
7.2.200.0070.00714.80
7.2.190.0030.01015.18
7.2.180.0070.00714.84
7.2.170.0100.00314.76
7.2.160.0070.00715.05
7.2.150.0000.01416.48
7.2.140.0090.00616.88
7.2.130.0130.00016.93
7.2.120.0030.01016.96
7.2.110.0030.00716.71
7.2.100.0130.00316.64
7.2.90.0000.01116.74
7.2.80.0090.00616.88
7.2.70.0090.00916.93
7.2.60.0770.00915.91
7.2.50.0610.00915.84
7.2.40.0920.00816.21
7.2.30.0790.00816.22
7.2.20.1060.00916.11
7.2.10.0890.00516.12
7.2.00.0740.00616.17
7.1.330.0070.01115.75
7.1.320.0070.00415.61
7.1.310.0000.01215.77
7.1.300.0040.00815.63
7.1.290.0060.00615.89
7.1.280.0040.01115.63
7.1.270.0030.01015.59
7.1.260.0090.00615.65
7.1.250.0060.00915.64
7.1.240.0080.00015.59
7.1.230.0100.00315.80
7.1.220.0000.01215.75
7.1.210.0080.00415.27
7.1.200.0050.00615.71
7.1.190.0030.01415.71
7.1.180.0040.00715.58
7.1.170.0660.00914.78
7.1.160.0890.00716.12
7.1.150.0730.00916.31
7.1.140.0910.00816.16
7.1.130.0800.00816.15
7.1.120.0850.01016.33
7.1.110.0770.00916.03
7.1.100.1010.00816.02
7.1.90.0830.00815.89
7.1.80.1460.01115.96
7.1.70.0870.00815.37
7.1.60.0990.01324.29
7.1.50.1020.01224.17
7.1.40.1020.01423.93
7.1.30.0930.00824.23
7.1.20.1530.00624.36
7.1.10.1590.01314.96
7.1.00.0950.01115.29
7.0.330.0080.00615.20
7.0.320.0030.00715.34
7.0.310.0060.01215.25
7.0.300.0040.00815.34
7.0.290.0060.01015.30
7.0.280.0040.00815.20
7.0.270.0060.00915.12
7.0.260.0000.01315.31
7.0.250.0040.00815.49
7.0.240.0110.00315.35
7.0.230.0040.00815.50
7.0.220.0030.00915.09
7.0.210.0070.00715.18
7.0.200.0080.00815.37
7.0.190.0120.00015.36
7.0.180.0000.01115.41
7.0.170.0000.01115.24
7.0.160.0060.00615.38
7.0.150.0030.01015.34
7.0.140.0100.00715.25
7.0.130.0000.01315.27
7.0.120.0070.00615.42
7.0.110.0000.01315.44
7.0.100.0060.00615.35
7.0.90.0130.00315.43
7.0.80.0000.01315.24
7.0.70.0090.00615.30
7.0.60.0040.01115.03
7.0.50.0030.01015.40
7.0.40.0060.00613.25
7.0.30.0030.01013.33
7.0.20.0000.01413.20
7.0.10.0030.00913.38
7.0.00.0000.01413.14
5.6.400.0000.01214.58
5.6.390.0000.00814.57
5.6.380.0120.00314.23
5.6.370.0070.01014.21
5.6.360.0030.00914.05
5.6.350.0080.00414.17
5.6.340.0030.01014.15
5.6.330.0030.00614.07
5.6.320.0060.00614.39
5.6.310.0150.00314.07
5.6.300.0040.01114.50
5.6.290.0150.00414.06
5.6.280.0070.00714.34
5.6.270.0030.01314.05
5.6.260.0000.01714.25
5.6.250.0040.01214.36
5.6.240.0040.01414.23
5.6.230.0070.00714.33
5.6.220.0030.00914.54
5.6.210.0000.01614.20
5.6.200.0060.00914.21
5.6.190.0060.00614.50
5.6.180.0060.00614.45
5.6.170.0040.01114.39
5.6.160.0030.01314.21
5.6.150.0030.01214.46
5.6.140.0090.00614.21
5.6.130.0100.00314.17
5.6.120.0000.01214.43
5.6.110.0030.00914.14
5.6.100.0070.00314.40
5.6.90.0060.00314.13
5.6.80.0070.00714.19
5.6.70.0090.00314.38
5.6.60.0060.00914.11
5.6.50.0050.00514.28
5.6.40.0110.00714.39
5.6.30.0080.00814.36
5.6.20.0060.00914.32
5.6.10.0000.00914.08
5.6.00.0040.01113.95

preferences:
56.47 ms | 401 KiB | 5 Q