3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=(bool)0; var_dump('' == $a and 'a' == $a and '' === (string)$a and 'a' === (string)$a);

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)
8.3.60.0110.01118.55
8.3.50.0180.00721.10
8.3.40.0100.00318.79
8.3.30.0140.00718.77
8.3.20.0040.00420.28
8.3.10.0080.00021.68
8.3.00.0000.00819.68
8.2.180.0070.01418.29
8.2.170.0110.00422.96
8.2.160.0070.00720.43
8.2.150.0080.00024.18
8.2.140.0090.00924.66
8.2.130.0000.01026.16
8.2.120.0030.00617.75
8.2.110.0060.00322.13
8.2.100.0090.00317.75
8.2.90.0050.00219.13
8.2.80.0060.00617.97
8.2.70.0040.00417.50
8.2.60.0060.00318.04
8.2.50.0060.00318.07
8.2.40.0030.00621.24
8.2.30.0040.00419.84
8.2.20.0040.00417.77
8.2.10.0040.00418.11
8.2.00.0040.00418.05
8.1.280.0070.00725.92
8.1.270.0040.00420.33
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0000.00922.37
8.1.230.0090.00317.42
8.1.220.0110.00017.74
8.1.210.0080.00018.77
8.1.200.0090.00017.36
8.1.190.0080.00017.35
8.1.180.0040.00418.10
8.1.170.0050.00318.50
8.1.160.0040.00422.00
8.1.150.0000.00818.88
8.1.140.0100.00017.45
8.1.130.0030.00317.70
8.1.120.0000.00717.49
8.1.110.0050.00217.35
8.1.100.0070.00017.31
8.1.90.0050.00217.36
8.1.80.0000.00917.48
8.1.70.0000.00717.43
8.1.60.0040.00417.55
8.1.50.0050.00317.50
8.1.40.0030.00517.50
8.1.30.0030.00517.65
8.1.20.0050.00217.59
8.1.10.0000.00717.48
8.1.00.0060.00317.21
8.0.300.0070.00018.77
8.0.290.0000.00716.75
8.0.280.0030.00318.50
8.0.270.0040.00417.33
8.0.260.0030.00617.21
8.0.250.0020.00516.91
8.0.240.0000.00716.87
8.0.230.0000.00716.91
8.0.220.0030.00316.85
8.0.210.0000.00816.86
8.0.200.0030.00317.00
8.0.190.0050.00317.05
8.0.180.0040.00416.96
8.0.170.0000.00716.86
8.0.160.0000.00716.87
8.0.150.0040.00416.80
8.0.140.0040.00416.79
8.0.130.0030.00313.41
8.0.120.0030.00616.93
8.0.110.0040.00416.92
8.0.100.0000.00716.82
8.0.90.0000.00716.80
8.0.80.0090.00616.90
8.0.70.0000.00716.79
8.0.60.0050.00316.93
8.0.50.0040.00316.90
8.0.30.0080.00216.92
8.0.20.0090.00917.40
8.0.10.0070.00017.06
8.0.00.0090.00816.85
7.4.330.0030.00315.08
7.4.320.0060.00316.64
7.4.300.0000.00616.64
7.4.290.0060.00316.52
7.4.280.0030.00516.44
7.4.270.0000.00616.65
7.4.260.0060.00016.50
7.4.250.0000.00816.58
7.4.240.0000.00716.58
7.4.230.0000.00816.39
7.4.220.0070.01116.57
7.4.210.0090.01216.43
7.4.200.0000.00716.60
7.4.160.0130.00316.57
7.4.150.0090.00917.40
7.4.140.0100.00917.86
7.4.130.0110.00616.66
7.4.120.0130.00416.50
7.4.110.0060.01216.67
7.4.100.0130.00716.36
7.4.90.0100.00716.62
7.4.80.0120.00819.39
7.4.70.0130.00316.66
7.4.60.0070.01016.46
7.4.50.0000.00816.61
7.4.40.0080.00916.47
7.4.30.0090.01116.48
7.4.00.0100.00714.84
7.3.330.0000.00513.10
7.3.320.0000.00513.20
7.3.310.0070.00016.10
7.3.300.0070.00016.30
7.3.290.0100.00716.24
7.3.280.0070.01216.27
7.3.270.0070.01017.40
7.3.260.0070.01016.15
7.3.250.0090.00816.40
7.3.240.0110.00816.44
7.3.230.0100.00816.39
7.3.210.0120.00616.47
7.3.200.0030.01619.39
7.3.190.0120.00616.18
7.3.180.0040.01216.33
7.3.170.0100.00716.27
7.3.160.0060.01016.31
7.3.120.0090.00914.84
7.3.110.0090.00314.77
7.3.100.0100.00714.68
7.3.90.0080.00414.80
7.3.80.0090.00614.72
7.3.70.0030.00914.80
7.3.60.0060.00614.59
7.3.50.0060.00914.84
7.3.40.0070.01014.56
7.3.30.0030.01014.65
7.3.20.0040.01216.73
7.3.10.0060.01016.30
7.3.00.0080.00816.47
7.2.330.0070.01016.63
7.2.320.0190.00316.41
7.2.310.0070.01016.27
7.2.300.0080.00916.48
7.2.290.0130.01016.82
7.2.250.0060.01215.10
7.2.240.0090.00914.84
7.2.230.0030.01214.52
7.2.220.0040.00714.93
7.2.210.0080.00314.83
7.2.200.0060.00314.84
7.2.190.0040.01214.78
7.2.180.0030.01615.04
7.2.170.0060.01314.83
7.2.00.0060.00619.29
7.1.330.0090.00615.75
7.1.320.0090.00015.88
7.1.310.0060.00315.77
7.1.300.0120.00615.56
7.1.290.0030.01415.45
7.1.280.0000.01415.67
7.1.270.0040.01115.54
7.1.260.0080.00815.45
7.1.100.0060.00618.11
7.1.70.0000.00717.31
7.1.60.0100.01620.03
7.1.50.0070.01416.62
7.1.00.0000.07722.54
7.0.200.0040.00416.46
7.0.60.0130.06719.86
7.0.50.0130.04317.87
7.0.40.0130.03319.90
7.0.30.0400.07020.00
7.0.20.0400.07020.11
7.0.10.0000.05020.04
7.0.00.0100.07720.16
5.6.280.0000.07720.91
5.6.210.0030.04320.50
5.6.200.0130.08018.21
5.6.190.0070.05720.27
5.6.180.0300.05720.41
5.6.170.0330.06720.35
5.6.160.0030.04320.71
5.6.150.0100.06718.11
5.6.140.0000.09018.07
5.6.130.0130.07318.11
5.6.120.0070.04021.01
5.6.110.0130.07021.00
5.6.100.0070.08321.01
5.6.90.0100.05321.00
5.6.80.0070.08020.36
5.6.70.4170.04020.49
5.5.350.0300.06020.29
5.5.340.0030.05017.95
5.5.330.0070.08320.40
5.5.320.0370.03720.31
5.5.310.0230.04020.27
5.5.300.0070.06017.98
5.5.290.0100.08017.87
5.5.280.0000.04320.88
5.5.270.0070.09020.74
5.5.260.0130.08020.64
5.5.250.0200.06020.68
5.5.240.0230.07320.28
5.4.450.0770.06319.63
5.4.440.0870.05019.48
5.4.430.1030.06719.62
5.4.420.0930.05319.62
5.4.410.0870.06019.45
5.4.400.0770.05719.14
5.4.390.0770.05719.31
5.4.380.0770.05719.19
5.4.370.0930.05719.31
5.4.360.0800.06019.25
5.4.350.0670.05719.22
5.4.340.0830.05019.22
5.4.320.0730.06019.12
5.4.310.0800.05019.28
5.4.300.0800.05019.21
5.4.290.0900.03719.26
5.4.280.0800.05018.98
5.4.270.0930.05719.13
5.4.260.0800.05019.16
5.4.250.0970.06719.20
5.4.240.0770.06019.18
5.4.230.0730.07319.21
5.4.220.0770.05018.93
5.4.210.0700.05318.82
5.4.200.0870.04016.64
5.4.190.0800.04019.13
5.4.180.0700.05019.28
5.4.170.0800.05718.96
5.4.160.0770.05319.27
5.4.150.0630.05719.02
5.4.140.0770.04716.50
5.4.130.0730.05316.25
5.4.120.0800.06716.32
5.4.110.0670.05016.26
5.4.100.0630.05316.43
5.4.90.0770.04316.23
5.4.80.0700.04716.58
5.4.70.0670.05316.48
5.4.60.0700.04716.57
5.4.50.0670.05016.19
5.4.40.1000.06716.47
5.4.30.0770.05016.23
5.4.20.0800.05016.35
5.4.10.0800.04716.30
5.4.00.0800.04715.67

preferences:
34.65 ms | 401 KiB | 5 Q