3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "0"; $c = $b = empty($a); $b = true; $d = ++$b + $a; echo $b;

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)
8.3.60.0160.00318.30
8.3.50.0110.00717.88
8.3.40.0140.00018.84
8.3.30.0060.00918.69
8.3.20.0050.00219.20
8.3.10.0030.00523.54
8.3.00.0040.00420.82
8.2.180.0120.00618.29
8.2.170.0110.00722.96
8.2.160.0100.00322.13
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00417.78
8.2.120.0000.00826.35
8.2.110.0060.00319.33
8.2.100.0090.00318.03
8.2.90.0000.00817.63
8.2.80.0000.00817.97
8.2.70.0000.00817.93
8.2.60.0040.00418.03
8.2.50.0030.00518.10
8.2.40.0000.00719.42
8.2.30.0000.00719.31
8.2.20.0030.00518.17
8.2.10.0000.00718.05
8.2.00.0030.00517.70
8.1.280.0110.00425.92
8.1.270.0040.00418.89
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0080.00022.04
8.1.230.0070.00318.95
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00617.23
8.1.190.0040.00417.22
8.1.180.0040.00418.10
8.1.170.0040.00418.44
8.1.160.0030.00318.69
8.1.150.0000.00718.82
8.1.140.0050.00322.18
8.1.130.0000.00820.21
8.1.120.0000.00717.41
8.1.110.0000.00717.35
8.1.100.0070.00017.39
8.1.90.0070.00017.39
8.1.80.0000.00717.34
8.1.70.0030.00317.28
8.1.60.0040.00417.50
8.1.50.0060.00317.37
8.1.40.0000.00717.46
8.1.30.0000.00717.48
8.1.20.0040.00417.61
8.1.10.0000.00817.47
8.1.00.0050.00317.43
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0030.00318.43
8.0.270.0030.00317.24
8.0.260.0000.00618.47
8.0.250.0000.00616.91
8.0.240.0040.00417.04
8.0.230.0000.00716.95
8.0.220.0040.00716.90
8.0.210.0030.00316.89
8.0.200.0030.00316.97
8.0.190.0040.00416.99
8.0.180.0080.00016.80
8.0.170.0030.00616.89
8.0.160.0040.00416.85
8.0.150.0000.00816.89
8.0.140.0000.00716.87
8.0.130.0050.00013.33
8.0.120.0080.00016.86
8.0.110.0040.00416.71
8.0.100.0000.00816.95
8.0.90.0000.00816.88
8.0.80.0030.01316.84
8.0.70.0040.00416.83
8.0.60.0040.00416.95
8.0.50.0000.00716.83
8.0.30.0060.01217.18
8.0.20.0090.00917.40
8.0.10.0040.00416.79
8.0.00.0110.00916.77
7.4.330.0040.00015.55
7.4.320.0000.00716.57
7.4.300.0030.00316.41
7.4.290.0070.00016.42
7.4.280.0070.00016.44
7.4.270.0000.00716.54
7.4.260.0030.00616.42
7.4.250.0050.00316.54
7.4.240.0080.00016.42
7.4.230.0030.00316.61
7.4.220.0070.00016.56
7.4.210.0080.01016.55
7.4.200.0020.00516.55
7.4.160.0090.01016.50
7.4.140.0110.00917.86
7.4.130.0040.01316.52
7.4.120.0100.00716.46
7.4.110.0070.01116.37
7.4.100.0090.00916.43
7.4.90.0140.00316.41
7.4.80.0070.01019.39
7.4.70.0100.00616.47
7.4.60.0080.00816.51
7.4.50.0060.00916.34
7.4.40.0130.00316.46
7.4.10.0150.00414.91
7.4.00.0080.00814.79
7.3.330.0020.00213.13
7.3.320.0030.00313.09
7.3.310.0030.00616.21
7.3.300.0030.00316.24
7.3.290.0000.00716.25
7.3.280.0040.01216.31
7.3.260.0110.00716.49
7.3.240.0070.01016.38
7.3.230.0120.00516.56
7.3.210.0130.00316.45
7.3.200.0100.00716.30
7.3.190.0110.00916.30
7.3.180.0130.00816.41
7.3.170.0090.01216.38
7.3.160.0100.01016.36
7.3.130.0060.01214.91
7.3.120.0030.01414.92
7.3.110.0090.00914.67
7.3.100.0040.00714.46
7.3.90.0060.01014.69
7.3.80.0000.01314.71
7.3.70.0060.00914.56
7.3.60.0030.00614.87
7.3.50.0040.00714.79
7.3.40.0130.00014.61
7.3.30.0000.01014.54
7.3.20.0140.00016.63
7.3.10.0110.00416.65
7.3.00.0120.00316.79
7.2.330.0100.00816.39
7.2.320.0100.01016.69
7.2.310.0080.00816.62
7.2.300.0030.01316.57
7.2.290.0000.01616.58
7.2.260.0060.01215.15
7.2.250.0090.00915.00
7.2.240.0100.00314.71
7.2.230.0070.01115.26
7.2.220.0000.01415.28
7.2.210.0110.00014.92
7.2.200.0060.01014.97
7.2.190.0000.01115.10
7.2.180.0070.00715.07
7.2.170.0060.00615.13
7.2.160.0030.01015.13
7.2.150.0030.01217.07
7.2.140.0070.01016.93
7.2.130.0100.00716.73
7.2.120.0060.01016.86
7.2.110.0110.00316.91
7.2.100.0110.00716.76
7.2.90.0060.00616.93
7.2.80.0070.00716.97
7.2.70.0070.00716.96
7.2.60.0030.01016.79
7.2.50.0060.00316.70
7.2.40.0000.01816.75
7.2.30.0030.00917.07
7.2.20.0030.00716.96
7.2.10.0140.00316.88
7.2.00.0030.01216.84
7.1.330.0090.00315.86
7.1.320.0080.00315.88
7.1.310.0100.00315.66
7.1.300.0030.00715.45
7.1.290.0030.01015.75
7.1.280.0070.00315.82
7.1.270.0120.00315.78
7.1.260.0080.00815.71
7.1.250.0100.00015.72
7.1.240.0060.00615.75
7.1.230.0060.00915.68
7.1.220.0060.01015.79
7.1.210.0000.01315.50
7.1.200.0040.01115.75
7.1.190.0070.00715.59
7.1.180.0100.00315.84
7.1.170.0040.01115.63
7.1.160.0080.00415.83
7.1.150.0040.00415.67
7.1.140.0110.00315.62
7.1.130.0040.00915.81
7.1.120.0130.00015.81
7.1.110.0040.00715.89
7.1.100.0000.01415.45
7.1.90.0040.00715.54
7.1.80.0060.00615.79
7.1.70.0030.01415.60
7.1.60.0060.00615.85
7.1.50.0080.00415.81
7.1.40.0110.00415.75
7.1.30.0060.00915.68
7.1.20.0100.00315.88
7.1.10.0070.00415.71
7.1.00.0120.00315.69
7.0.330.0060.00615.13
7.0.320.0030.01015.56
7.0.310.0000.00815.21
7.0.300.0000.01015.51
7.0.290.0070.00415.17
7.0.280.0060.00615.14
7.0.270.0060.00915.36
7.0.260.0040.00715.51
7.0.250.0050.00515.41
7.0.240.0030.01015.38
7.0.230.0000.01415.52
7.0.220.0040.01115.30
7.0.210.0070.00615.44
7.0.200.0100.00315.25
7.0.190.0060.00715.48
7.0.180.0070.00715.47
7.0.170.0000.01315.13
7.0.160.0090.00615.23
7.0.150.0070.00715.30
7.0.140.0000.01215.16
7.0.130.0040.01115.56
7.0.120.0070.00415.35
7.0.110.0030.01015.50
7.0.100.0000.01415.37
7.0.90.0030.01015.45
7.0.80.0130.00015.57
7.0.70.0100.00615.33
7.0.60.0040.01215.47
7.0.50.0000.00815.62
7.0.40.0070.00413.18
7.0.30.0100.00313.12
7.0.20.0000.01113.52
7.0.10.0030.00913.50
7.0.00.0030.00613.51
5.6.400.0140.00314.34
5.6.390.0090.00314.70
5.6.380.0060.00914.15
5.6.370.0070.01014.24
5.6.360.0090.00314.27
5.6.350.0030.00614.47
5.6.340.0090.00614.55
5.6.330.0060.01014.13
5.6.320.0040.00713.98
5.6.310.0060.00614.57
5.6.300.0030.01314.66
5.6.290.0100.00014.45
5.6.280.0060.00914.75
5.6.270.0060.00314.12
5.6.260.0000.01414.45
5.6.250.0060.00914.51
5.6.240.0030.01214.32
5.6.230.0150.00014.21
5.6.220.0090.00614.31
5.6.210.0030.00714.42
5.6.200.0150.00014.18
5.6.190.0030.01014.48
5.6.180.0090.00614.38
5.6.170.0080.00414.54
5.6.160.0030.01014.25
5.6.150.0090.00414.23
5.6.140.0060.00314.28
5.6.130.0070.00314.57
5.6.120.0040.01414.18
5.6.110.0090.00614.13
5.6.100.0070.00314.24
5.6.90.0030.00614.30
5.6.80.0000.01114.51
5.6.70.0000.01314.12
5.6.60.0070.00714.16
5.6.50.0040.01114.03
5.6.40.0070.00714.46
5.6.30.0050.00514.15
5.6.20.0070.00714.25
5.6.10.0070.00714.30
5.6.00.0070.00714.19

preferences:
55.84 ms | 401 KiB | 5 Q