3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "121314"; echo implode("",array_reverse(str_split($str, 2)));

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)
8.5.10.0070.00116.49
8.5.00.0150.00619.77
8.4.150.0020.00114.05
8.4.140.0130.00817.38
8.4.130.0070.00217.90
8.4.120.0100.01020.38
8.4.110.0120.00922.41
8.4.100.0100.01117.70
8.4.90.0120.00822.51
8.4.80.0040.00419.32
8.4.70.0060.00217.70
8.4.60.0130.00718.84
8.4.50.0120.00620.37
8.4.40.0120.00819.24
8.4.30.0160.00317.77
8.4.20.0070.01319.72
8.4.10.0040.00417.68
8.3.280.0130.00618.26
8.3.270.0090.01016.45
8.3.260.0060.00216.51
8.3.250.0130.00718.91
8.3.240.0120.00816.36
8.3.230.0100.00716.45
8.3.220.0080.00820.66
8.3.210.0100.00718.54
8.3.200.0070.00416.42
8.3.190.0110.00716.98
8.3.180.0060.00216.44
8.3.170.0070.01016.86
8.3.160.0000.00720.19
8.3.150.0100.01019.02
8.3.140.0040.00417.04
8.3.130.0000.00918.48
8.3.120.0130.00618.50
8.3.110.0080.00016.63
8.3.100.0160.00018.23
8.3.90.0030.00626.77
8.3.80.0080.00017.97
8.3.70.0130.00616.13
8.3.60.0150.00018.18
8.3.50.0130.00317.17
8.3.40.0150.00018.52
8.3.30.0110.00418.44
8.3.20.0040.00419.03
8.3.10.0060.00321.78
8.3.00.0050.00323.71
8.2.290.0060.00420.46
8.2.280.0100.00818.50
8.2.270.0150.00416.90
8.2.260.0030.00517.02
8.2.250.0060.00318.18
8.2.240.0090.00019.09
8.2.230.0080.00020.94
8.2.220.0090.00037.54
8.2.210.0080.00026.77
8.2.200.0080.00018.19
8.2.190.0070.01116.58
8.2.180.0100.00316.38
8.2.170.0100.01022.96
8.2.160.0070.01119.09
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00420.38
8.2.120.0050.00226.35
8.2.110.0100.00021.89
8.2.100.0110.00017.84
8.2.90.0070.00419.09
8.2.80.0060.00317.97
8.2.70.0000.00917.93
8.2.60.0050.00517.93
8.2.50.0000.00818.10
8.2.40.0080.00019.33
8.2.30.0070.00319.28
8.2.20.0000.00918.02
8.2.10.0000.00717.96
8.2.00.0000.00719.35
8.1.330.0060.01223.61
8.1.320.0090.00616.15
8.1.310.0080.00518.14
8.1.300.0090.00617.74
8.1.290.0110.00030.84
8.1.280.0150.00425.92
8.1.270.0070.00722.16
8.1.260.0000.00826.35
8.1.250.0050.00328.09
8.1.240.0030.00620.61
8.1.230.0090.00320.98
8.1.220.0080.00017.74
8.1.210.0080.00018.77
8.1.200.0040.00417.23
8.1.190.0030.00616.88
8.1.180.0000.00718.10
8.1.170.0000.00818.84
8.1.160.0040.00718.75
8.1.150.0000.00818.81
8.1.140.0030.00319.00
8.1.130.0020.00517.33
8.1.120.0040.00417.28
8.1.110.0030.00617.38
8.1.100.0000.00717.34
8.1.90.0030.00617.36
8.1.80.0040.00417.42
8.1.70.0030.00317.26
8.1.60.0060.00317.50
8.1.50.0040.00417.33
8.1.40.0000.00717.41
8.1.30.0040.00417.65
8.1.20.0000.00717.59
8.1.10.0000.00817.40
8.1.00.0090.00017.46
8.0.300.0040.00418.77
8.0.290.0000.00816.63
8.0.280.0000.00818.47
8.0.270.0060.00317.20
8.0.260.0030.00316.76
8.0.250.0000.00616.95
8.0.240.0050.00216.95
8.0.230.0070.00016.90
8.0.220.0030.00316.79
8.0.210.0000.00716.83
8.0.200.0000.00716.76
8.0.190.0040.00416.88
8.0.180.0000.00716.82
8.0.170.0040.00416.79
8.0.160.0040.00416.70
8.0.150.0040.00416.73
8.0.140.0070.00016.74
8.0.130.0000.00513.12
8.0.120.0000.00716.71
8.0.110.0050.00316.66
8.0.100.0000.00716.87
8.0.90.0040.00416.70
8.0.80.0090.00816.80
8.0.70.0040.00416.71
8.0.60.0040.00416.84
8.0.50.0040.00416.61
8.0.30.0120.00416.82
8.0.20.0070.01117.40
8.0.10.0000.00717.05
8.0.00.0160.00616.73
7.4.330.0000.00515.55
7.4.320.0000.00616.53
7.4.300.0000.00616.41
7.4.290.0040.00416.40
7.4.280.0030.00516.27
7.4.270.0030.00616.34
7.4.260.0000.00716.30
7.4.250.0030.00316.29
7.4.240.0040.00416.52
7.4.230.0080.00016.40
7.4.220.0000.00816.32
7.4.210.0070.00716.46
7.4.200.0000.00716.59
7.4.160.0090.01016.34
7.4.140.0110.00717.86
7.4.130.0090.00916.63
7.4.120.0130.00716.41
7.4.110.0070.01116.40
7.4.100.0110.00616.57
7.4.90.0100.00716.41
7.4.80.0060.01319.39
7.4.70.0120.00816.38
7.4.60.0080.00816.38
7.4.50.0040.00816.25
7.4.40.0140.00316.33
7.4.00.0000.01714.91
7.3.330.0020.00212.98
7.3.320.0000.00612.87
7.3.310.0050.00216.10
7.3.300.0030.00315.99
7.3.290.0070.00016.16
7.3.280.0050.01216.16
7.3.260.0120.00816.20
7.3.240.0140.00716.34
7.3.230.0140.00316.12
7.3.210.0100.01016.37
7.3.200.0100.00916.41
7.3.190.0050.01116.33
7.3.180.0070.01416.49
7.3.170.0030.01216.52
7.3.160.0090.00616.08
7.3.10.0040.01116.04
7.3.00.0150.00615.95
7.2.330.0190.00616.26
7.2.320.0060.01316.49
7.2.310.0180.00416.63
7.2.300.0030.02016.38
7.2.290.0090.01216.39
7.2.130.0110.00316.31
7.2.120.0040.00816.27
7.2.110.0060.00616.42
7.2.100.0130.00716.21
7.2.90.0060.00916.38
7.2.80.0050.00816.27
7.2.70.0130.00716.63
7.2.60.0080.00816.47
7.2.50.0090.00616.61
7.2.40.0110.00516.61
7.2.30.0040.01216.44
7.2.20.0060.01016.54
7.2.10.0090.00716.53
7.2.00.0110.00616.67
7.1.250.0060.00315.34
7.1.200.0060.00315.46
7.1.190.0070.00715.65
7.1.180.0070.01015.63
7.1.170.0050.01115.66
7.1.160.0090.00915.76
7.1.150.0090.00915.40
7.1.140.0060.00915.50
7.1.130.0060.00915.43
7.1.120.0070.00915.57
7.1.110.0070.01015.59
7.1.100.0130.00315.52
7.1.90.0060.01015.80
7.1.80.0130.00015.78
7.1.70.0030.00915.63
7.1.60.0160.01633.55
7.1.50.0210.01033.46
7.1.40.0210.01433.58
7.1.30.0190.01633.61
7.1.20.0270.00333.72
7.1.10.0130.00015.51
7.1.00.0030.01015.74

preferences:
169.31 ms | 403 KiB | 5 Q