3v4l.org

run code in 300+ PHP versions simultaneously
<?php $myString = '10:0{ "name":"John", "age":30, "car":null }24:0'; echo preg_replace('/.*?(\{.*?\}).*/', '$1', $myString);

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)
8.4.140.0060.01517.82
8.4.130.0110.01018.04
8.4.120.0030.00520.64
8.4.110.0110.00922.36
8.4.100.0120.00917.83
8.4.90.0120.00817.76
8.4.80.0060.00617.91
8.4.70.0060.00217.95
8.4.60.0050.00618.10
8.4.50.0170.00419.54
8.4.40.0100.01017.90
8.4.30.0160.00319.45
8.4.20.0100.01019.55
8.4.10.0030.00620.44
8.3.270.0100.01016.93
8.3.260.0130.00616.46
8.3.250.0100.00818.82
8.3.240.0070.01116.79
8.3.230.0110.00816.77
8.3.220.0110.00417.02
8.3.210.0060.00816.60
8.3.200.0120.00716.56
8.3.190.0140.00516.77
8.3.180.0110.00816.56
8.3.170.0120.00617.09
8.3.160.0090.00618.29
8.3.150.0040.01120.70
8.3.140.0130.00016.51
8.3.130.0090.00016.77
8.3.120.0040.00420.64
8.3.110.0120.00420.94
8.3.100.0130.00624.06
8.3.90.0060.00326.77
8.3.80.0090.00017.97
8.3.70.0120.00916.75
8.3.60.0000.01518.56
8.3.50.0140.00518.46
8.3.40.0120.00318.57
8.3.30.0120.00418.73
8.3.20.0080.00019.16
8.3.10.0040.00423.61
8.3.00.0030.00519.67
8.2.290.0120.00620.58
8.2.280.0050.00318.41
8.2.270.0120.00617.30
8.2.260.0040.00420.45
8.2.250.0040.00418.66
8.2.240.0000.00919.03
8.2.230.0080.00022.58
8.2.220.0060.00337.54
8.2.210.0070.00726.77
8.2.200.0100.00318.29
8.2.190.0170.00317.00
8.2.180.0210.00016.88
8.2.170.0120.00322.96
8.2.160.0100.01019.16
8.2.150.0040.00425.66
8.2.140.0000.00824.66
8.2.130.0080.00019.95
8.2.120.0040.00426.16
8.2.110.0100.00019.33
8.2.100.0110.00017.97
8.2.90.0080.00018.03
8.2.80.0000.00817.97
8.2.70.0050.00317.63
8.2.60.0060.00317.88
8.2.50.0000.00717.80
8.2.40.0050.00317.93
8.2.30.0060.00319.41
8.2.20.0060.00318.05
8.2.10.0040.00418.01
8.2.00.0000.00819.35
8.1.330.0110.00816.62
8.1.320.0110.00816.59
8.1.310.0110.00416.91
8.1.300.0000.00918.30
8.1.290.0090.00330.84
8.1.280.0110.00725.92
8.1.270.0080.00022.13
8.1.260.0060.00326.35
8.1.250.0050.00328.09
8.1.240.0090.00023.82
8.1.230.0000.01120.95
8.1.220.0030.00617.77
8.1.210.0050.00318.91
8.1.200.0030.00617.35
8.1.190.0040.00417.23
8.1.180.0000.00918.10
8.1.170.0060.00317.69
8.1.160.0040.00418.92
8.1.150.0040.00418.86
8.1.140.0000.00717.86
8.1.130.0070.00018.96
8.1.120.0030.00417.62
8.1.110.0000.00717.45
8.1.100.0000.00717.44
8.1.90.0030.00617.45
8.1.80.0000.01017.57
8.1.70.0000.00717.61
8.1.60.0070.00317.60
8.1.50.0120.00317.53
8.1.40.0100.00617.56
8.1.30.0120.00317.66
8.1.20.0080.00717.68
8.1.10.0060.00917.59
8.1.00.0090.00617.50
8.0.300.0040.00420.03
8.0.290.0080.00016.75
8.0.280.0000.00718.53
8.0.270.0050.00216.89
8.0.260.0060.00017.22
8.0.250.0000.00717.14
8.0.240.0000.00817.11
8.0.230.0000.00716.92
8.0.220.0070.00317.00
8.0.210.0000.00817.00
8.0.200.0030.00316.93
8.0.190.0080.00017.07
8.0.180.0130.00017.03
8.0.170.0060.00716.95
8.0.160.0070.00717.06
8.0.150.0060.00916.81
8.0.140.0100.00316.96
8.0.130.0080.00515.21
8.0.120.0130.00116.94
8.0.110.0090.00416.86
8.0.100.0060.00716.87
8.0.90.0080.00616.82
8.0.80.0090.00717.03
8.0.70.0110.00216.89
8.0.60.0080.00516.92
8.0.50.0080.00516.88
8.0.30.0080.01017.15
8.0.20.0120.00917.32
8.0.10.0130.00017.08
8.0.00.0080.00916.91
7.4.330.0050.00015.55
7.4.320.0030.00316.57
7.4.300.0000.00616.56
7.4.290.0080.00516.63
7.4.280.0120.00216.62
7.4.270.0100.00416.57
7.4.260.0130.00216.71
7.4.250.0150.00016.55
7.4.240.0090.00716.67
7.4.230.0070.00816.73
7.4.220.0040.00916.67
7.4.210.0120.00616.72
7.4.200.0060.00716.59
7.4.190.0130.00416.75
7.4.180.0150.00316.83
7.4.160.0120.00816.64
7.4.150.0160.00316.71
7.4.140.0100.01117.66
7.4.130.0180.00216.72
7.4.120.0120.00816.64
7.4.110.0110.00616.63
7.4.100.0140.00416.60
7.4.90.0120.00516.59
7.4.80.0120.00618.03
7.4.70.0140.00316.61
7.4.60.0130.00516.54
7.4.50.0130.00516.42
7.4.40.0150.00616.42
7.4.30.0150.00516.70
7.4.20.0160.00516.64
7.4.10.0150.00516.56
7.4.00.0100.00615.97
7.3.330.0100.00314.69
7.3.320.0080.00414.66
7.3.310.0070.00516.35
7.3.300.0060.00616.21
7.3.290.0070.00616.31
7.3.280.0130.00616.24
7.3.270.0110.00616.24
7.3.260.0120.00816.33
7.3.250.0120.00616.28
7.3.240.0100.00716.35
7.3.230.0100.00816.49
7.3.220.0190.00016.11
7.3.210.0100.00816.33
7.3.200.0120.00616.47
7.3.190.0080.00916.34
7.3.180.0080.01016.42
7.3.170.0090.01016.34
7.3.160.0120.00516.45
7.3.150.0130.00516.18
7.3.140.0150.00316.30
7.3.130.0160.00316.25
7.3.120.0140.00516.17
7.3.110.0120.00816.14
7.3.100.0150.00316.21
7.3.90.0110.00716.46
7.3.80.0120.00616.05
7.3.70.0130.00616.36
7.3.60.0180.00016.28
7.3.50.0140.00416.28
7.3.40.0150.00216.54
7.3.30.0140.00516.54
7.3.20.0110.00718.25
7.3.10.0140.00518.11
7.3.00.0160.00418.06
7.2.340.0150.00316.30
7.2.330.0120.00716.50
7.2.320.0120.00616.60
7.2.310.0110.00716.56
7.2.300.0100.00716.45
7.2.290.0160.00516.61
7.2.280.0150.00516.35
7.2.270.0160.00316.52
7.2.260.0130.00616.55
7.2.250.0150.00416.52
7.2.240.0120.00816.57
7.2.230.0200.00016.41
7.2.220.0130.00616.48
7.2.210.0150.00316.30
7.2.200.0130.00716.45
7.2.190.0140.00516.33
7.2.180.0170.00316.62
7.2.170.0140.00516.51
7.2.160.0130.00616.70
7.2.150.0190.00018.21
7.2.140.0160.00318.47
7.2.130.0150.00418.43
7.2.120.0190.00018.58
7.2.110.0140.00618.32
7.2.100.0120.00618.38
7.2.90.0100.01018.20
7.2.80.0200.00018.50
7.2.70.0110.00818.49
7.2.60.0090.00717.68
7.2.50.0110.00818.35
7.2.40.0830.00618.27
7.2.30.0830.00818.38
7.2.20.0800.00418.34
7.2.10.0990.00418.29
7.2.00.0710.00718.11
7.1.330.0090.00917.52
7.1.320.0130.00517.32
7.1.310.0120.00617.27
7.1.300.0180.00017.18
7.1.290.0170.00017.30
7.1.280.0150.00317.54
7.1.270.0170.00017.39
7.1.260.0130.00517.42
7.1.250.0160.00317.46
7.1.240.0180.00017.16
7.1.230.0130.00417.47
7.1.220.0100.00817.26
7.1.210.0150.00217.47
7.1.200.0090.00616.66
7.1.190.0120.00617.41
7.1.180.0170.00017.28
7.1.170.0170.00017.27
7.1.160.0830.00816.95
7.1.150.0840.00717.26
7.1.140.0820.00817.14
7.1.130.0670.00917.01
7.1.120.1000.00817.13
7.1.110.0970.00616.89
7.1.100.0820.00816.87
7.1.90.0890.00816.79
7.1.80.0860.00316.90
7.1.70.0760.00816.37
7.1.60.0910.00925.39
7.1.50.1000.00625.22
7.1.40.1060.00725.12
7.1.30.1080.00525.10
7.1.20.0850.00725.17
7.1.10.0820.00816.14
7.1.00.0870.00516.25
7.0.330.0180.00017.04
7.0.320.0180.00016.95
7.0.310.0120.00517.05
7.0.300.0120.00817.15
7.0.290.0130.00516.89
7.0.280.0170.00017.11
7.0.270.0170.00017.05
7.0.260.0090.00917.18
7.0.250.0160.00417.10
7.0.240.0110.00717.12
7.0.230.0150.00417.23
7.0.220.0140.00517.00
7.0.210.0060.01117.26
7.0.200.0070.01017.26
7.0.190.0120.00617.04
7.0.180.0150.00217.17
7.0.170.0090.00917.13
7.0.160.0140.00317.15
7.0.150.0110.00617.22
7.0.140.0150.00516.93
7.0.130.0140.00417.26
7.0.120.0140.00317.19
7.0.110.0090.00917.13
7.0.100.0190.00417.05
7.0.90.0140.00317.05
7.0.80.0100.00716.86
7.0.70.0110.00617.04
7.0.60.0180.00016.91
7.0.50.0140.00316.86
7.0.40.0140.00216.95
7.0.30.0150.00217.07
7.0.20.0140.00317.13
7.0.10.0170.00017.04
7.0.00.0120.00816.98
5.6.400.0180.00315.61
5.6.390.0150.00315.78
5.6.380.0140.00315.77
5.6.370.0130.00515.77
5.6.360.0100.00815.81
5.6.350.0120.00615.82
5.6.340.0180.00015.73
5.6.330.0140.00315.89
5.6.320.0170.00015.80
5.6.310.0170.00015.84
5.6.300.0110.00615.47
5.6.290.0190.00015.88
5.6.280.0170.00015.85
5.6.270.0080.00815.85
5.6.260.0100.00615.78
5.6.250.0080.00815.66
5.6.240.0140.00315.79
5.6.230.0120.00515.86
5.6.220.0210.00015.75
5.6.210.0170.00315.83
5.6.200.0120.00415.97
5.6.190.0140.00315.98
5.6.180.0110.00515.74
5.6.170.0120.00415.89
5.6.160.0090.00615.90
5.6.150.0140.00216.00
5.6.140.0060.01015.98
5.6.130.0080.00815.77
5.6.120.0070.01015.91
5.6.110.0110.00515.91
5.6.100.0140.00315.84
5.6.90.0110.00715.60
5.6.80.0160.00015.73
5.6.70.0080.00815.98
5.6.60.0080.00815.84
5.6.50.0130.00315.80
5.6.40.0080.00815.77
5.6.30.0080.00815.78
5.6.20.0150.00015.72
5.6.10.0100.00515.81
5.6.00.0090.00715.59

preferences:
31.88 ms | 403 KiB | 5 Q