3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = '20170131'; $a = str_split($str, 4); $b = str_split($a[1], 2); var_dump("{$b[1]}-{$b[0]}-{$a[0]}");

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)
8.5.30.0080.01021.29
8.5.20.0110.00720.14
8.5.10.0110.00619.61
8.5.00.0130.00819.94
8.4.180.0120.01119.54
8.4.170.0210.00723.91
8.4.160.0120.00822.96
8.4.150.0080.00516.91
8.4.140.0120.01117.34
8.4.130.0060.00418.02
8.4.120.0050.00322.36
8.4.110.0070.01322.38
8.4.100.0140.00617.64
8.4.90.0120.00822.66
8.4.80.0050.00519.52
8.4.70.0030.00517.93
8.4.60.0120.00819.06
8.4.50.0090.01020.60
8.4.40.0140.00319.40
8.4.30.0080.00019.64
8.4.20.0140.00718.57
8.4.10.0060.01019.54
8.3.300.0100.00920.73
8.3.290.0110.00922.52
8.3.280.0150.00518.30
8.3.270.0110.00916.41
8.3.260.0090.00916.53
8.3.250.0040.00418.68
8.3.240.0130.00618.21
8.3.230.0090.00916.62
8.3.220.0050.00418.98
8.3.210.0070.00416.57
8.3.200.0090.00716.46
8.3.190.0120.00716.90
8.3.180.0040.00316.74
8.3.170.0120.00617.20
8.3.160.0140.00318.71
8.3.150.0070.00719.01
8.3.140.0140.00017.02
8.3.130.0040.00418.37
8.3.120.0090.00018.74
8.3.110.0060.00320.94
8.3.100.0080.00016.63
8.3.90.0070.00726.77
8.3.80.0090.00017.97
8.3.70.0090.00618.20
8.3.60.0070.01118.17
8.3.50.0090.01122.07
8.3.40.0100.00718.67
8.3.30.0110.00418.57
8.3.20.0070.00021.90
8.3.10.0050.00321.80
8.3.00.0040.00420.62
8.2.300.0130.00720.23
8.2.290.0130.00620.69
8.2.280.0070.00918.53
8.2.270.0070.01117.17
8.2.260.0140.00016.59
8.2.250.0040.00418.38
8.2.240.0030.00618.95
8.2.230.0040.00422.58
8.2.220.0030.00524.06
8.2.210.0040.00426.77
8.2.200.0110.00016.50
8.2.190.0110.00416.76
8.2.180.0040.01118.24
8.2.170.0030.01422.96
8.2.160.0150.00620.43
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00722.30
8.2.120.0080.00026.35
8.2.110.0080.00820.94
8.2.100.0120.00017.91
8.2.90.0050.00319.17
8.2.80.0060.00317.97
8.2.70.0040.00417.50
8.2.60.0090.00018.05
8.2.50.0060.00318.10
8.2.40.0080.00320.60
8.2.30.0040.00420.36
8.2.20.0040.00418.20
8.2.10.0040.00418.00
8.2.00.0040.00418.32
8.1.340.0120.00817.60
8.1.330.0100.00623.96
8.1.320.0080.01215.96
8.1.310.0140.00318.28
8.1.300.0070.01119.73
8.1.290.0040.00830.84
8.1.280.0120.00325.92
8.1.270.0000.00923.97
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0040.00423.83
8.1.230.0110.00017.71
8.1.220.0060.00317.77
8.1.210.0080.00018.77
8.1.200.0060.00317.22
8.1.190.0030.00517.23
8.1.180.0000.00818.10
8.1.170.0060.00318.59
8.1.160.0000.00718.73
8.1.150.0000.00720.17
8.1.140.0050.00319.39
8.1.130.0000.00819.07
8.1.120.0080.00017.47
8.1.110.0000.00817.30
8.1.100.0040.00317.42
8.1.90.0080.00017.39
8.1.80.0040.00417.43
8.1.70.0070.00017.34
8.1.60.0030.00617.56
8.1.50.0060.00317.46
8.1.40.0040.00417.47
8.1.30.0030.00617.60
8.1.20.0080.00017.52
8.1.10.0040.00417.55
8.1.00.0030.00617.47
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0050.00218.50
8.0.270.0040.00417.34
8.0.260.0060.00017.27
8.0.250.0000.00616.93
8.0.240.0050.00516.86
8.0.230.0050.00217.00
8.0.220.0040.00416.89
8.0.210.0070.00016.90
8.0.200.0040.00416.97
8.0.190.0040.00416.99
8.0.180.0080.00016.83
8.0.170.0070.00016.85
8.0.160.0040.00316.79
8.0.150.0030.00716.89
8.0.140.0000.00716.84
8.0.130.0000.00513.25
8.0.120.0030.00516.82
8.0.110.0030.00316.77
8.0.100.0040.00416.81
8.0.90.0000.00716.75
8.0.80.0090.00616.86
8.0.70.0000.00716.87
8.0.60.0040.00416.90
8.0.50.0040.00416.79
8.0.30.0090.00917.04
8.0.20.0130.00817.40
8.0.10.0070.00016.77
8.0.00.0050.01616.72
7.4.330.0030.00315.55
7.4.320.0060.00316.59
7.4.300.0030.00316.48
7.4.290.0030.00516.49
7.4.280.0070.00316.41
7.4.270.0030.00316.56
7.4.260.0090.00316.39
7.4.250.0060.00316.34
7.4.240.0000.00816.52
7.4.230.0040.00416.47
7.4.220.0090.01316.41
7.4.210.0080.01316.41
7.4.200.0030.00316.61
7.4.160.0070.01116.46
7.4.150.0110.00717.40
7.4.140.0140.00417.86
7.4.130.0130.00816.52
7.4.120.0130.00716.53
7.4.110.0070.01016.38
7.4.100.0100.00716.57
7.4.90.0140.00816.34
7.4.80.0130.01019.39
7.4.70.0100.00716.39
7.4.60.0060.01316.71
7.4.50.0070.00716.40
7.4.40.0090.00616.52
7.4.30.0160.00316.36
7.4.10.0100.01014.75
7.4.00.0080.01014.76
7.3.330.0020.00212.95
7.3.320.0070.00013.11
7.3.310.0040.00416.14
7.3.300.0070.00016.19
7.3.290.0000.00716.31
7.3.280.0070.01216.26
7.3.270.0120.00617.40
7.3.260.0130.00616.38
7.3.250.0100.01016.49
7.3.240.0110.01016.30
7.3.230.0100.00716.41
7.3.210.0120.00916.53
7.3.200.0060.01316.64
7.3.190.0070.00716.59
7.3.180.0090.00716.25
7.3.170.0150.00316.58
7.3.160.0040.01716.36
7.3.130.0070.01114.86
7.3.120.0060.01214.66
7.3.110.0130.00614.45
7.3.100.0040.00815.09
7.3.90.0030.00914.84
7.3.80.0030.00614.71
7.3.70.0030.01014.77
7.3.60.0060.00614.70
7.3.50.0080.00414.70
7.3.40.0000.01214.91
7.3.30.0080.00614.84
7.3.20.0030.01316.69
7.3.10.0090.00616.57
7.3.00.0030.00916.64
7.2.330.0090.00916.46
7.2.320.0170.00316.75
7.2.310.0080.00816.43
7.2.300.0110.00716.28
7.2.290.0100.00616.74
7.2.260.0150.00414.95
7.2.250.0060.01314.84
7.2.240.0030.01215.21
7.2.230.0030.00714.86
7.2.220.0000.01514.98
7.2.210.0060.00615.00
7.2.200.0090.00414.73
7.2.190.0030.01015.00
7.2.180.0030.00615.06
7.2.170.0070.00715.11
7.2.160.0000.00915.21
7.2.150.0090.00616.91
7.2.140.0030.01216.79
7.2.130.0080.00816.60
7.2.120.0060.00616.78
7.2.110.0060.00916.91
7.2.100.0040.01116.91
7.2.90.0000.00916.93
7.2.80.0000.01216.98
7.2.70.0030.00616.64
7.2.60.0040.00416.88
7.2.50.0040.00717.12
7.2.40.0040.01116.99
7.2.30.0000.01916.90
7.2.20.0060.00317.02
7.2.10.0040.01116.70
7.2.00.0030.01317.07
7.1.330.0000.01115.95
7.1.320.0030.00915.71
7.1.310.0070.00715.49
7.1.300.0110.00015.59
7.1.290.0060.00315.91
7.1.280.0100.00315.89
7.1.270.0070.00715.82
7.1.260.0030.01015.88
7.1.250.0030.00615.82
7.1.240.0060.00615.89
7.1.230.0060.00615.88
7.1.220.0040.00415.86
7.1.210.0070.00315.88
7.1.200.0060.00615.86
7.1.190.0060.00615.75
7.1.180.0030.00615.82
7.1.170.0060.00915.85
7.1.160.0070.00715.71
7.1.150.0060.01215.87
7.1.140.0100.00315.53
7.1.130.0040.01115.94
7.1.120.0040.00715.89
7.1.110.0060.01015.96
7.1.100.0040.00715.77
7.1.90.0120.00315.88
7.1.80.0110.00415.86
7.1.70.0050.00716.53
7.1.60.0060.00616.59
7.1.50.0100.00315.85
7.1.40.0070.00715.89
7.1.30.0030.01015.84
7.1.20.0190.03832.12
7.1.10.0040.03619.05
7.1.00.0070.03319.19
7.0.330.0030.00715.17
7.0.320.0000.01215.31
7.0.310.0030.01315.56
7.0.300.0040.00715.43
7.0.290.0120.00315.36
7.0.280.0040.01215.34
7.0.270.0090.00015.12
7.0.260.0070.00715.21
7.0.250.0040.00415.45
7.0.240.0030.01015.45
7.0.230.0040.00815.39
7.0.220.0070.00715.44
7.0.210.0090.00615.61
7.0.200.0030.00916.05
7.0.190.0030.01115.35
7.0.180.0100.00315.50
7.0.170.0000.01315.17
7.0.160.0070.03018.67
7.0.150.0070.04718.63
7.0.140.0000.03718.61
7.0.130.0070.03018.67
7.0.120.0070.03118.63
7.0.110.0070.03418.60
7.0.100.0040.03418.71
7.0.90.0070.03218.60
7.0.80.0030.03518.72
7.0.70.0130.02718.69
7.0.60.0110.02818.58
7.0.50.0050.03518.70
7.0.40.0030.03317.68
7.0.30.0050.03517.63
7.0.20.0130.02817.53
7.0.10.0030.03217.74
7.0.00.0090.02917.59
5.6.400.0070.00314.52
5.6.390.0140.00014.19
5.6.380.0030.00914.58
5.6.370.0040.01114.35
5.6.360.0030.00914.52
5.6.350.0070.01014.09
5.6.340.0120.00313.96
5.6.330.0060.00314.61
5.6.320.0060.00314.22
5.6.310.0080.00414.43
5.6.300.0000.01614.38
5.6.290.0120.00014.18
5.6.280.0030.01314.34
5.6.270.0030.01014.70
5.6.260.0040.00414.36
5.6.250.0090.00614.23
5.6.240.0040.00814.31
5.6.230.0040.00414.13
5.6.220.0140.00314.17
5.6.210.0030.01314.55
5.6.200.0090.00614.41
5.6.190.0070.00714.25
5.6.180.0030.00714.26
5.6.170.0060.00614.40
5.6.160.0070.00714.10
5.6.150.0040.01214.25
5.6.140.0060.00914.51
5.6.130.0070.00714.27
5.6.120.0030.00714.18
5.6.110.0060.00314.00
5.6.100.0070.00414.41
5.6.90.0040.01114.08
5.6.80.0060.00614.19
5.6.70.0030.00814.06
5.6.60.0070.00714.09
5.6.50.0000.00914.39
5.6.40.0000.01414.44
5.6.30.0080.00714.11
5.6.20.0000.01414.33
5.6.10.0030.01414.17
5.6.00.0000.01314.29

preferences:
109.94 ms | 1941 KiB | 5 Q