3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_replace("/[A-Z]/"," $1",ucwords('thisIsATest'));

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)
8.3.60.0090.00618.31
8.3.50.0130.00618.36
8.3.40.0070.00718.79
8.3.30.0100.00318.79
8.3.20.0040.00420.16
8.3.10.0040.00420.52
8.3.00.0000.00720.81
8.2.180.0060.01216.63
8.2.170.0100.00322.96
8.2.160.0100.00320.34
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0040.00419.36
8.2.120.0080.00026.35
8.2.110.0100.00019.38
8.2.100.0110.00017.91
8.2.90.0000.00819.20
8.2.80.0060.00317.97
8.2.70.0030.00617.63
8.2.60.0060.00317.68
8.2.50.0000.00918.09
8.2.40.0060.00320.63
8.2.30.0070.00319.27
8.2.20.0040.00417.86
8.2.10.0000.00817.95
8.2.00.0040.00417.99
8.1.280.0130.00325.92
8.1.270.0050.00323.79
8.1.260.0030.00628.09
8.1.250.0100.00028.09
8.1.240.0050.00521.31
8.1.230.0110.00017.51
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0050.00517.23
8.1.190.0060.00317.23
8.1.180.0000.00918.10
8.1.170.0000.00818.49
8.1.160.0040.00420.84
8.1.150.0040.00418.88
8.1.140.0000.00819.37
8.1.130.0050.00517.63
8.1.120.0040.00417.52
8.1.110.0090.00017.48
8.1.100.0040.00417.39
8.1.90.0040.00417.46
8.1.80.0000.00817.48
8.1.70.0030.00317.52
8.1.60.0080.00017.66
8.1.50.0000.00817.52
8.1.40.0080.00017.45
8.1.30.0040.00417.68
8.1.20.0070.00017.68
8.1.10.0000.00717.60
8.1.00.0070.00017.54
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0070.00018.32
8.0.270.0000.00817.11
8.0.260.0000.00817.19
8.0.250.0030.00317.00
8.0.240.0070.00016.86
8.0.230.0000.00717.02
8.0.220.0040.00416.91
8.0.210.0000.00716.79
8.0.200.0070.00016.94
8.0.190.0080.00016.84
8.0.180.0000.00716.90
8.0.170.0070.00016.96
8.0.160.0070.00016.79
8.0.150.0040.00416.91
8.0.140.0070.00016.73
8.0.130.0060.00013.41
8.0.120.0030.00516.82
8.0.110.0070.00016.72
8.0.100.0040.00416.96
8.0.90.0070.00016.73
8.0.80.0030.01216.90
8.0.70.0000.00716.79
8.0.60.0040.00416.92
8.0.50.0000.00716.85
8.0.30.0150.00317.31
8.0.20.0140.00617.41
8.0.10.0080.00016.85
8.0.00.0090.00916.77
7.4.330.0000.00516.68
7.4.320.0060.00016.64
7.4.300.0030.00316.57
7.4.290.0030.00316.58
7.4.280.0040.00416.65
7.4.270.0000.00716.55
7.4.260.0040.00416.70
7.4.250.0060.00316.43
7.4.240.0000.00816.66
7.4.230.0000.00716.56
7.4.220.0080.01516.73
7.4.210.0100.00516.68
7.4.200.0060.00316.51
7.4.160.0070.01416.46
7.4.150.0130.00317.40
7.4.140.0080.01017.86
7.4.130.0130.00716.45
7.4.120.0070.01016.58
7.4.110.0100.00716.46
7.4.100.0150.00316.74
7.4.90.0090.00916.66
7.4.80.0070.01119.39
7.4.70.0130.00616.59
7.4.60.0080.00916.47
7.4.50.0030.00916.23
7.4.40.0060.01016.64
7.4.30.0100.00716.51
7.4.00.0060.01215.06
7.3.330.0050.00013.18
7.3.320.0050.00013.03
7.3.310.0070.00016.10
7.3.300.0000.00716.30
7.3.290.0070.00016.28
7.3.280.0070.01016.26
7.3.270.0090.00917.40
7.3.260.0140.00416.51
7.3.250.0080.01116.52
7.3.240.0110.00616.46
7.3.230.0160.00316.39
7.3.210.0040.01216.34
7.3.200.0070.01016.52
7.3.190.0080.00816.29
7.3.180.0000.01516.35
7.3.170.0130.00316.55
7.3.160.0060.01016.53
7.3.10.0110.00416.82
7.3.00.0040.00816.73
7.2.330.0110.00716.53
7.2.320.0110.01116.45
7.2.310.0140.00416.40
7.2.300.0140.00716.75
7.2.290.0120.00916.48
7.2.130.0060.00316.80
7.2.120.0080.00416.75
7.2.110.0030.00916.85
7.2.100.0030.01417.02
7.2.90.0000.01117.11
7.2.80.0030.01017.00
7.2.70.0030.01216.94
7.2.60.0030.01116.74
7.2.50.0060.00617.03
7.2.40.0170.00016.97
7.2.30.0000.01817.03
7.2.20.0030.01316.71
7.2.10.0000.01316.96
7.2.00.0070.00518.08
7.1.250.0140.00315.76
7.1.200.0060.00615.70
7.1.100.0030.00818.07
7.1.70.0000.00717.17
7.1.60.0070.01719.19
7.1.00.0070.07322.38
7.0.200.0030.00616.77
7.0.60.0270.07019.91
7.0.50.0030.04017.86
7.0.40.0030.04320.20
7.0.30.0400.07020.29
7.0.20.0200.04720.05
7.0.10.0070.08720.19
7.0.00.0070.05020.02
5.6.280.0000.07721.04
5.6.210.0070.08320.50
5.6.200.0070.08318.13
5.6.190.0070.04020.68
5.6.180.0330.06720.45
5.6.170.0270.08020.71
5.6.160.0130.04020.46
5.6.150.0030.04018.18
5.6.140.0000.04018.15
5.6.130.0000.04718.21
5.6.120.0000.08720.98
5.6.110.0130.07721.10
5.6.100.0130.04720.93
5.6.90.0070.08321.02
5.6.80.0100.08020.39
5.5.350.4130.04320.40
5.5.340.0130.07317.89
5.5.330.0100.04320.47
5.5.320.0330.04020.29
5.5.310.0270.08020.21
5.5.300.0070.05717.91
5.5.290.0070.08017.87
5.5.280.0100.06020.72
5.5.270.0070.08320.95
5.5.260.0100.08320.71
5.5.250.0170.09320.57
5.5.240.0170.03720.27

preferences:
55.06 ms | 400 KiB | 5 Q