3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = pi(); $a = strval($str); $b = (string)$str; $c = "$str"; var_dump($a); var_dump($b); var_dump($c);

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)
8.3.60.0130.00718.24
8.3.50.0120.00318.18
8.3.40.0110.00418.57
8.3.30.0140.00018.88
8.3.20.0040.00420.13
8.3.10.0000.00721.69
8.3.00.0080.00018.83
8.2.180.0110.00716.32
8.2.170.0100.01022.96
8.2.160.0070.00720.39
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0060.00326.16
8.2.120.0040.00421.03
8.2.110.0040.00419.39
8.2.100.0120.00017.66
8.2.90.0000.00917.59
8.2.80.0040.00418.71
8.2.70.0040.00417.91
8.2.60.0000.00818.22
8.2.50.0050.00219.40
8.2.40.0000.00919.29
8.2.30.0030.00519.21
8.2.20.0040.00417.51
8.2.10.0040.00417.99
8.2.00.0080.00017.48
8.1.280.0040.01125.92
8.1.270.0110.00418.67
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0040.00424.02
8.1.230.0040.00819.15
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0090.00017.13
8.1.190.0060.00317.10
8.1.180.0040.00418.90
8.1.170.0080.00018.50
8.1.160.0000.00719.06
8.1.150.0040.00418.89
8.1.140.0040.00417.23
8.1.130.0070.00017.70
8.1.120.0070.00017.41
8.1.110.0030.00317.33
8.1.100.0000.00817.36
8.1.90.0000.00817.29
8.1.80.0000.00817.38
8.1.70.0030.00317.45
8.1.60.0030.00617.53
8.1.50.0080.00017.35
8.1.40.0050.00317.37
8.1.30.0000.00817.61
8.1.20.0000.00717.64
8.1.10.0070.00017.41
8.1.00.0090.00017.24
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0030.00518.42
8.0.270.0040.00417.13
8.0.260.0000.00717.10
8.0.250.0090.00016.81
8.0.240.0070.00016.87
8.0.230.0000.00616.95
8.0.220.0030.00316.84
8.0.210.0030.00316.74
8.0.200.0040.00416.79
8.0.190.0000.00816.91
8.0.180.0030.00316.86
8.0.170.0050.00216.75
8.0.160.0030.00316.86
8.0.150.0070.00016.67
8.0.140.0030.00516.79
8.0.130.0000.00613.26
8.0.120.0040.00416.73
8.0.110.0050.00216.80
8.0.100.0000.00716.68
8.0.90.0000.00716.66
8.0.80.0060.00916.75
8.0.70.0040.00416.82
8.0.60.0040.00416.78
8.0.50.0000.00716.77
8.0.30.0070.01217.10
8.0.20.0120.01417.40
8.0.10.0080.00016.78
8.0.00.0090.00816.70
7.4.330.0020.00215.03
7.4.320.0030.00316.50
7.4.300.0000.00616.58
7.4.290.0000.00716.36
7.4.280.0000.00716.64
7.4.270.0030.00316.42
7.4.260.0030.00316.59
7.4.250.0040.00416.44
7.4.240.0000.00816.58
7.4.230.0020.00516.62
7.4.220.0130.00616.46
7.4.210.0100.01016.55
7.4.200.0030.00316.46
7.4.160.0120.00416.25
7.4.150.0090.01617.40
7.4.140.0080.01117.86
7.4.130.0070.01016.61
7.4.120.0080.00816.54
7.4.110.0150.00616.34
7.4.100.0110.01116.34
7.4.90.0120.00616.70
7.4.80.0060.01119.39
7.4.70.0040.01216.39
7.4.60.0060.00916.47
7.4.50.0080.00016.63
7.4.40.0130.00316.46
7.4.30.0060.01616.57
7.4.00.0140.00015.00
7.3.330.0030.00612.96
7.3.320.0000.00513.11
7.3.310.0070.00016.05
7.3.300.0000.00716.22
7.3.290.0050.00916.16
7.3.280.0120.00616.19
7.3.270.0150.00317.40
7.3.260.0070.01016.47
7.3.250.0120.00616.22
7.3.240.0220.00316.30
7.3.230.0090.00816.49
7.3.210.0030.01216.40
7.3.200.0130.00319.39
7.3.190.0090.00616.21
7.3.180.0100.00616.36
7.3.170.0070.01516.37
7.3.160.0110.00616.33
7.2.330.0070.01116.29
7.2.320.0210.00016.72
7.2.310.0100.00816.77
7.2.300.0070.01416.69
7.2.290.0110.01116.63
7.2.60.0040.01116.84
7.2.00.0000.01419.23
7.1.200.0070.00415.58
7.1.100.0030.00918.18
7.1.70.0060.00617.17
7.1.60.0150.00619.22
7.1.50.0260.00634.70
7.1.00.0000.08022.48
7.0.200.0020.00516.87
7.0.140.0070.06322.15
7.0.110.0070.04019.92
7.0.100.0000.04020.07
7.0.90.0400.03719.90
7.0.80.0130.04319.86
7.0.70.0000.04019.89
7.0.60.0070.03720.01
7.0.50.0000.04320.00
7.0.40.0000.04719.66
7.0.30.0030.03719.64
7.0.20.0030.05019.72
7.0.10.0130.04319.73
7.0.00.0100.06719.72
5.6.280.0100.06721.02
5.6.260.0070.04320.62
5.6.250.0070.04320.58
5.6.240.0130.03020.69
5.6.230.0130.08720.67
5.6.220.0100.05720.58
5.6.210.0030.07320.62
5.6.200.0030.04320.62
5.6.190.0030.06320.70
5.6.180.0070.04320.65
5.6.170.0070.05320.67
5.6.160.0030.06320.58
5.6.150.0100.06320.61
5.6.140.0070.03720.62
5.6.130.0170.06320.64
5.6.120.0170.07320.64
5.6.110.0030.04320.60
5.6.100.0070.03720.43
5.6.90.0030.06020.60
5.6.80.0100.03720.00
5.6.70.0100.03319.96
5.6.60.0030.04019.93
5.6.50.0000.04320.08
5.6.40.0070.03320.05
5.6.30.0100.03019.97
5.6.20.0030.03319.91
5.6.10.0070.03019.99
5.6.00.0070.03020.02
5.5.380.0030.07017.62
5.5.370.0030.03717.63
5.5.360.0070.06017.51
5.5.350.0000.06717.46
5.5.340.0100.03718.22
5.5.330.0030.07018.10
5.5.320.0000.04318.10
5.5.310.0000.04017.89
5.5.300.0130.04718.15
5.5.290.0000.05018.13
5.5.280.0030.06018.09
5.5.270.0000.04018.13
5.5.260.0030.04018.09
5.5.250.0070.07317.90
5.5.240.0100.03017.23
5.5.230.0100.03717.53
5.5.220.0030.03717.40
5.5.210.0000.04717.24
5.5.200.0000.03717.45
5.5.190.0030.04317.21
5.5.180.0070.03717.47
5.5.160.0030.03017.24
5.5.150.0000.06317.33
5.5.140.0030.03717.47
5.5.130.0000.03317.48
5.5.120.0030.04017.21
5.5.110.0070.05717.33
5.5.100.0130.02717.24
5.5.90.0100.03017.11
5.5.80.0000.04717.23
5.5.70.0070.03017.07
5.5.60.0100.03017.11
5.5.50.0030.04017.09
5.5.40.0030.03717.12
5.5.30.0030.03017.13
5.5.20.0070.03717.22
5.5.10.0000.03317.26
5.5.00.0070.03017.11
5.4.450.0100.03719.35
5.4.440.0100.06719.32
5.4.430.0070.05019.40
5.4.420.0130.02719.32
5.4.410.0030.06719.22
5.4.400.0070.03319.11
5.4.390.0000.04719.03
5.4.380.0000.04319.11
5.4.370.0000.03719.08
5.4.360.0000.04019.16
5.4.350.0000.03719.25
5.4.340.0000.03318.93
5.4.320.0100.06719.12
5.4.310.0070.03319.27
5.4.300.0030.03318.95
5.4.290.0030.03319.18
5.4.280.0000.04018.95
5.4.270.0030.06318.96
5.4.260.0030.03719.17
5.4.250.0000.06319.02
5.4.240.0000.03719.02
5.4.230.0100.04719.09
5.4.220.0070.03019.00
5.4.210.0070.03719.16
5.4.200.0030.03719.00
5.4.190.0070.03319.00
5.4.180.0070.03318.89
5.4.170.0000.03719.24
5.4.160.0000.04019.25
5.4.150.0070.03319.11
5.4.140.0070.03316.48
5.4.130.0030.03716.42
5.4.120.0000.04016.16
5.4.110.0070.02716.37
5.4.100.0000.03716.41
5.4.90.0070.03016.48
5.4.80.0000.03316.13
5.4.70.0000.04016.39
5.4.60.0030.03016.46
5.4.50.0030.05316.26
5.4.40.0070.03316.55
5.4.30.0170.02716.10
5.4.20.0000.03316.45
5.4.10.0070.03016.20
5.4.00.0030.03015.65
5.3.290.0000.05014.52
5.3.280.0070.03714.54
5.3.270.0030.03714.55
5.3.260.0000.04014.67
5.3.250.0030.03714.46
5.3.240.0070.03014.59
5.3.230.0030.03714.50
5.3.220.0100.03014.62
5.3.210.0070.03314.44
5.3.200.0030.03014.46
5.3.190.0000.03314.55
5.3.180.0070.02714.38
5.3.170.0030.03014.49
5.3.160.0070.05014.44
5.3.150.0070.05714.50
5.3.140.0000.05314.56
5.3.130.0070.04714.61
5.3.120.0070.03314.61
5.3.110.0030.03014.61
5.3.100.0000.03313.98
5.3.90.0000.04014.02
5.3.80.0030.04013.96
5.3.70.0030.03314.02
5.3.60.0070.04013.93
5.3.50.0030.03713.80
5.3.40.0070.03014.01
5.3.30.0100.03314.00
5.3.20.0000.04013.53
5.3.10.0000.03713.57
5.3.00.0030.03713.66
5.2.170.0030.02712.14
5.2.160.0070.02312.14
5.2.150.0030.05312.14
5.2.140.0070.04012.14
5.2.130.0030.02712.14
5.2.120.0070.02312.14
5.2.110.0030.02712.14
5.2.100.0030.02312.14
5.2.90.0030.02712.14
5.2.80.0100.04712.14
5.2.70.0030.03012.14
5.2.60.0030.03012.14
5.2.50.0100.05012.14
5.2.40.0000.03312.14
5.2.30.0030.02312.14
5.2.20.0070.02012.14
5.2.10.0030.03012.14
5.2.00.0030.03012.14
5.1.60.0070.03712.14
5.1.50.0030.02312.14
5.1.40.0070.03712.14
5.1.30.0000.02712.14
5.1.20.0000.04312.14
5.1.10.0030.02312.14
5.1.00.0030.04312.14
5.0.50.0070.01712.14
5.0.40.0000.02312.14
5.0.30.0000.05012.14
5.0.20.0030.01712.14
5.0.10.0000.02012.14
5.0.00.0000.04012.14
4.4.90.0030.01712.14
4.4.80.0000.02012.14
4.4.70.0000.02012.14
4.4.60.0000.02012.14
4.4.50.0030.01712.14
4.4.40.0070.02012.14
4.4.30.0000.03012.14
4.4.20.0000.01312.14
4.4.10.0000.02012.14
4.4.00.0030.03012.14
4.3.110.0000.03012.14
4.3.100.0000.01712.14
4.3.90.0000.01712.14
4.3.80.0030.02012.14
4.3.70.0000.01712.14
4.3.60.0000.01712.14
4.3.50.0030.01312.14
4.3.40.0000.02312.14
4.3.30.0000.02012.14
4.3.20.0000.01712.14
4.3.10.0000.01712.14
4.3.00.0000.01712.14

preferences:
55.42 ms | 400 KiB | 5 Q